Psychology Wiki

structure of the nervous system (Gray's s183)[]

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  • Nerve cells
    • axis-cylinder process or axon
    • protoplasmic processes or dendrons
    • cyton
    • Nissl's granules
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  • medullated fibers or white fibers
    • white substance of Schwann or medullary sheath
    • neurolemma, primitive sheath, or nucleated sheath of Schwann
    • axis-cylinder
    • primitive fibrillae of Schultze
    • neurokeratin
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  • medullated fibers or white fibers
    • medullary sheath, or white matter of Schwann
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  • origins or central terminations; and peripheral terminations
    • Origins of nerves
      • superficial origin or apparent origin
      • deep origin or real origin
    • Peripheral terminations of nerves
  • Motor nerves
    • motor end-plate
  • Ganglia
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development of the nervous system (Gray's s184)[]

Medulla spinalis[]

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spinal nerves[]

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Brain[]

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  • ventral cephalic flexure
  • cervical flexure
  • pontine flexure

Hind-brain or Rhombencephalon[]

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  • Floccular fissure
  • post-nodular fissure
  • incisura fastigii

Mesencephalon[]

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Prosencephalon[]

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Diencephalon[]

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Telencephalon[]

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Fissures and Sulci[]

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the spinal cord or medulla spinalis (Gray's s185)[]

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Fissures and Sulci[]

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Gray substance[]

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White substance[]

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  • Nerve fasciculi
  • Fasciculi in the anterior funiculus
    • Descending fasciculi
      • anterior cerebrospinal (fasciculus cerebrospinalis anterior; direct pyramidal tract)
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  • Fasciculi in the lateral funiculus
    • Descending fasciculi
    • Ascending fasciculi
      • dorsal spinocerebellar fasciculus (fasciculus cerebellospinalis; direct cerebellar tract of Flechsig)
      • superficial antero-lateral fasciculus (tract of Gowers)
      • ventral spinocerebellar fasciculus (Gowers)
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  • Fasciculi in the Posterior funiculus
  • descending fibers occupy different parts at different levels
    • Comma-shaped fasciculus
    • Dorsal peripheral band
    • Oval area of Flechsig
    • triangular strand
  • Roots of spinal nerves

the brain or encephalon (Gray's s186)[]

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the hind-brain or rhombencephalon (Gray's s187)[]

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Myelencephalon[]

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Myelencephalon: anterior district of medulla oblongata[]

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Myelencephalon: lateral district[]

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Myelencephalon: posterior district of medulla oblongata - lower part[]

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  • tubercle of Rolando (tuber cinereum)

Myelencephalon: posterior district of medulla oblongata - upper part[]

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Myelencephalon: Cerebrospinal fasciculi[]

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  • locus cæruleus
  • dorsal spinocerebellar fasciculus (fasciculus cerebellospinalis; direct cerebellar tract)
  • proper fasciculi (basis bundles)
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Myelencephalon: Gray Substance of the Medulla oblongata[]

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  • dorsal nucleus
    • ala cinerea (trigonum vagi)
  • nucleus of the cochlear nerve and nucleus of the vestibular nerve
  • olivary nuclei
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  • olivary nuclei
    • dorsal accessory olivary nucleus

Myelencephalon: Inferior peduncle (restiform body)[]

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  • terminal sensory nuclei
  • ventral spinocerebellar fasciculus
  • cerebellum

Myelencephalon: Formatio reticularis[]

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Metencephalon - pons[]

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  • Pons (pons Varoli)
  • tænia pontis
  • anterior surface (pars basilaris pontis)
    • middle peduncle
    • sulcus basilaris
  • posterior surface (pars dorsalis pontis)
  • basilar part of the pons
    • superficial transverse fibers (fibræ pontis superficiales)
    • deep transverse fibers (fibræ pontis profundæ)
    • longitudinal fasciculi (fasciculi longitudinales)
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  • Tegmental part of pons
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Metencephalon - cerebellum[]

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  • Cerebellum
  • Lobes of the Cerebellum
    • vermis
    • vallecula cerebelli
    • superior vermis
    • inferior vermis
    • posterior cerebellar notch
    • anterior cerebellar notch
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  • horizontal sulcus
  • upper surface of the cerebellum
  • lingula (lingula cerebelli)
  • Lobulus Centralis and Alæ
    • lobulus centralis
    • precentral fissure
    • ala lobuli centralis
  • Monticulus and Quadrangular lobules
    • monticulus
    • postcentral fissure
    • quadrangular lobule
    • preclival fissure
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  • Monticulus and Quadrangular lobules
    • culmen
    • clivus
    • lobus culminis
    • lobus clivi
  • Folium vermis and Superior semilunar lobule
    • folium vermis (folium cacuminis; cacuminal lobe)
    • superior semilunar lobule (lobulus semilunaris superior; postero-superior lobules)
    • horizontal sulcus
    • lobus semilunaris
  • under surface of the cerebellum
    • inferior vermis
    • sulcus valleculæ
    • nodule
    • uvula
    • pyramid
    • tuber vermis
    • flocculus
    • tonsilla cerebelli
    • biventral lobule
    • inferior semilunar lobule
    • postnodular fissure
    • prepyramidal fissure
    • postpyramidal fissure
  • Nodule and Flocculus
    • nodule (nodulus vermis; nodular lobe)
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  • Nodule and Flocculus
    • posterior medullary velum
    • flocculus
    • lobus noduli
  • Uvula and Tonsilla
    • uvula (uvula vermis; uvular lobe)
    • sulcus valleculæ
    • furrowed band
    • tonsilla (tonsilla cerebelli; amygdaline nucleus)
    • bird's nest (nidus avis)
    • lobus uvulæ
  • lobus pyramidis
    • biventral lobule
  • Tuber vermis (tuber valvulæ)
  • Inferior semilunar lobule (lobulus semilunaris inferior; postero-superior lobule)
  • lobus tuberus (tuberæ lobe)
  • White substance
  • projection fibers
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  • Microscopic Appearance of the Cortex
    • internal rust-colored layer (nuclear layer)
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Fourth ventricle[]

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  • Fourth ventricle (ventriculus quartus)
  • Roof or Dorsal Wall
    • superior peduncle
    • anterior medullary velum
    • posterior medullary velum
    • tæniæ of the fourth ventricle (ligulæ)
    • obex
    • epithelial lining of the ventricle
    • tela chorioidea of the fourth ventricle
    • tæniæ of the fourth ventricle (tænia ventriculi quarti; ligula)
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  • Roof or Dorsal Wall
    • Cornucopia of Bochdalek
    • obex
    • tela chorioidea of the fourth ventricle
  • Choroid plexuses
  • Openings in the Roof
  • Rhomboid fossa (fossa rhomboidea; "floor" of the fourth ventricle)
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the mid-brain or mesencephalon (Gray's s188)[]


Mesencephalon (midbrain)

cerebral peduncle: midbrain tegmentum (periaqueductal gray, ventral tegmentum, nucleus raphe dorsalis), pretectum, substantia nigra, red nucleus, pedunculopontine nucleus, medial longitudinal fasciculus, medial lemniscus, rubrospinal tract, lateral lemniscus

tectum: corpora quadrigemina, inferior colliculi, superior colliculi

cerebral aqueduct: oculomotor nucleus, trochlear nucleus, Edinger-Westphal nucleus

Cerebral peduncles[]

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  • central tract of the cranial nerves
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Corpora quadrigemina[]

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Cerebral aqueduct[]

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the fore-brain or prosencephalon (Gray's s189)[]

Telencephalon (cerebrum, cerebral cortex, cerebral hemispheres) - edit

primary sulci/fissures: medial longitudinal, lateral, central, parietoöccipital, calcarine, cingulate

frontal lobe: precentral gyrus (primary motor cortex, 4), precentral sulcus, superior frontal gyrus (6, 8), middle frontal gyrus (46), inferior frontal gyrus (Broca's area, 44-pars opercularis, 45-pars triangularis), prefrontal cortex (orbitofrontal cortex, 9, 10, 11, 12, 47)

parietal lobe: postcentral sulcus, postcentral gyrus (1, 2, 3, 43), superior parietal lobule (5), inferior parietal lobule (39-angular gyrus, 40), precuneus (7), intraparietal sulcus

occipital lobe: primary visual cortex (17), cuneus, lingual gyrus, 18, 19 (18 and 19 span whole lobe)

temporal lobe: transverse temporal gyrus (41-42-primary auditory cortex), superior temporal gyrus (38, 22-Wernicke's area), middle temporal gyrus (21), inferior temporal gyrus (20), fusiform gyrus (36, 37)

limbic lobe/fornicate gyrus: cingulate cortex/cingulate gyrus, anterior cingulate (24, 32, 33), posterior cingulate (23, 31),
isthmus (26, 29, 30), parahippocampal gyrus (piriform cortex, 25, 27, 35), entorhinal cortex (28, 34)

subcortical/insular cortex: rhinencephalon, olfactory bulb, corpus callosum, lateral ventricles, septum pellucidum, ependyma, internal capsule, corona radiata, external capsule

hippocampal formation: dentate gyrus, hippocampus, subiculum

basal ganglia: striatum (caudate nucleus, putamen), lentiform nucleus (putamen, globus pallidus), claustrum, extreme capsule, amygdala, nucleus accumbens

Some categorizations are approximations, and some Brodmann areas span gyri.

Diencephalon/Thalamencephalon[]

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  • Thalamencephalon

Diencephalon/Thalamencephalon - Thalamus[]

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  • Thalami: stalks of
    • anterior stalk
    • posterior stalk
    • inferior stalk
    • parietal stalk

Diencephalon/Thalamencephalon - Metathalamus[]

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Diencephalon/Thalamencephalon - Epithalamus[]

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Diencephalon/Thalamencephalon - Hypothalamus[]

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Diencephalon/Other[]

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  • Optic tracts
    • lower visual centers
    • optic radiations
    • higher visual center (cortical visual center)
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  • Third ventricle (ventriculus tertius)
    • roof
      • choroid plexuses of the third ventricle
    • floor
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Telencephalon[]

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Telencephalon - Frontal lobe[]

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Telencephalon - Parietal lobe[]

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Telencephalon - Occipital lobe[]

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Telencephalon - Temporal lobe[]

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  • Insula (island of Reil; central lobe)
  • opercula of the insula
  • orbital operculum
  • circular sulcus

Telencephalon - Limbic lobe[]

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Telencephalon - Rhinencephalon[]

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Telencephalon - Interior of the Cerebral Hemispheres[]

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  • Ventricles
    • anterior cornu (cornu anterius; anterior horn; precornu)
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  • Ventricles
    • rostrum
    • posterior cornu (cornu posterius; postcornu)
    • calcar avis (hippocampus minor)
    • bulb of the posterior cornu
    • inferior cornu (cornu inferior; descending horn; middle horn; medicornu)
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  • terminal vein (vein of the corpus striatum)
  • lamina affixa
  • Fornix
    • Columns of fornix
    • crura
    • body (corpus fornicis)
    • psalterium (lyra)
    • hippocampal commissure
    • ventricle of the fornix (ventricle of Verga)
    • columns (columna fornicis; anterior pillars; fornicolumns)
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  • thalamomammillary fasciculus (bundle of Vicq d’Azyr)
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  • tela chorioidea of the third ventricle
  • choroidal fissure
  • tela chorioidea of the third ventricle (tela chorioidea ventriculi tertii; velum interpositum)
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Telencephalon - Structure of the Cerebral Hemispheres[]

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  • Special Types of Cerebral Cortex
    • Visual area of cerebral cortex
      • Visuosensory area
      • Visuopsychic area
    • Motor areas of cerebral cortex
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composition and central connections of the spinal nerves (Gray's s190)[]

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  • Intrinsic spinal reflex paths
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composition and central connections of the cranial nerves (Gray's s191)[]

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  • Vagus nerve (X cranial)
    • sympathetic afferent fibers
    • Taste fibers
    • Somatic motor fibers
    • Sympathetic efferent fibers
  • Glossopharyngeal nerve (IX cranial)
    • somatic sensory fibers
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  • Glossopharyngeal nerve (IX cranial)
    • Sympathetic afferent fibers
    • Taste fibers
    • Somatic motor fibers
    • Sympathetic efferent fibers (motor and secretory fibers)
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  • Abducens nerve (VI cranial)
  • Trigeminal nerve (V cranial)
    • motor nucleus
    • terminal sensory nucleus
    • main sensory nucleus
    • nucleus of the spinal tract of the trigeminal nerve
    • main sensory nucleus
    • tractus spinalis
    • nucleus of the tractus spinalis
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  • Olfactory nerves (I cranial) or nerves of smell
    • lateral olfactory striæ
    • medial olfactory striæ
    • pars olfactoria
    • intermediate olfactory striæ
    • tractus olfactomesencephalicus (basal olfactory bundle of Wallenburg)
    • fasciculus mammillo-tegmentalis (mammillo-tegmental bundle of Gudden)
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pathways from the brain to the spinal cord (Gray's s192)[]

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  • Tectospinal fasciculus
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the meninges of the brain and medulla spinalis (Gray's s193)[]


Meninges of the brain and medulla spinalis

Dura mater - Falx cerebri - Tentorium cerebelli - Falx cerebelli - Arachnoid mater - Subarachnoid space - Cistern - Cisterna magna - Median aperture - Cerebrospinal fluid - Arachnoid granulation - Pia mater

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  • Arachnoid villi (Granulationes arachnoideales, Arachnoid granulations, Glandulæ Pacchioni, Pacchionian glands )
  • Pia mater
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the cerebrospinal fluid (Gray's s194)[]

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the cranial nerves (Gray's s195)[]

Major nerves (also see Peripheral nervous system)

Cranial nerves: I olfactory | II optic | III oculomotor | IV trochlear | V trigeminal | V1 ophthalmic (lacrimal, frontal, supratrochlear, supraorbital, nasociliary, ciliary ganglion) | V2 maxillary (sphenopalatine ganglion) | V3 mandibular (buccal - auriculotemporal - lingual - inferior alveolar - otic ganglion) | VI abducens | VII facial (chorda tympani, nervus intermedius) | VIII vestibulocochlear (cochlear, vestibular) | IX glossopharyngeal | X vagus (recurrent laryngeal, Alderman's nerve) | XI accessory | XII hypoglossal

Posterior spinal nerves: greater occipital

C1-C4 - Cervical plexus: lesser occipital | greater auricular | lesser auricular | phrenic | ansa cervicalis

C5-C8, T1 - Brachial plexus: supraclavicular branches (dorsal scapular, suprascapular, long thoracic) | lateral cord (musculocutaneous, lateral antibrachial cutaneous, lateral head of median nerve) | medial cord (ulnar, medial head of median nerve, medial antibrachial cutaneous, medial brachial cutaneous) | posterior cord (axillary, radial)

T2-T11: intercostal

T12, L1-L5 - Lumbar plexus: iliohypogastric | ilioinguinal | genitofemoral | lateral femoral cutaneous | femoral | obturator

S1-S4 - Sacral plexus: gluteal | posterior femoral cutaneous | tibial | sciatic | sural | common peroneal

S2-S5 - Pudendal plexus: perforating cutaneous | pudendal | visceral | muscular | anococcygeal

the olfactory nerves (Gray's s196)[]

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the optic nerve (Gray's s197)[]

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the oculomotor nerve (Gray's s198)[]

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  • Oculomotor nerve (Nervus oculomotorius, Third nerve )
  • Nucleus of oculomotor nerve

the trochlear nerve (Gray's s199)[]

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the trigeminal nerve (Gray's s200)[]

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Ophthalmic nerve[]

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Maxillary nerve[]

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  • In the Infraorbital canal
    • Middle superior alveolar branch (ramus alveolaris superior medius; middle superior dental branch)
    • Anterior superior alveolar branch (ramus alveolaris superior anteriores; Nervus ramus alveolaris superior anteriores, anterior superior dental branch, Anterior superior dental nerve )
      • nasal branch
  • On the Face
    • Inferior palpebral branches (rami palpebrales inferiores; palpebral branches)
    • External nasal branches (rami nasales externi, Nervus nasales externi)
    • Superior labial branches (rami labiales superiores, Nervus labialis superiores, labial branches)
  • Sphenopalatine ganglion (ganglion of Meckel)
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  • Branches of Distribution
    • orbital branches (rami orbitales; ascending branches)
    • palatine nerves (nn. palatini; descending branches)
      • anterior palatine nerve (n. palatinus anterior)
      • middle palatine nerve (n. palatinus medius)
      • posterior palatine nerve (n. palatinus posterior)
    • posterior superior nasal branches (rami nasales posteriores superiores)
    • pharyngeal nerve (pterygopalatine nerve)

Mandibular nerve[]

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  • Nervus spinosus
  • Internal pterygoid nerve (n. pterygoideus internus)
  • anterior and smaller division of the mandibular nerve
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  • anterior and smaller division of the mandibular nerve
    • Deep temporal nerves (nn. temporales profundi)
    • Buccinator nerve (n. buccinatorus; long buccal nerve)
    • External pterygoid nerve (n. pterygoideus externus)
  • posterior and larger division of the mandibular nerve
    • Auriculotemporal nerve (n. auriculotemporalis)
      • anterior auricular branches (nn. auriculares anteriores)
      • branches to the external acoustic meatus (n. meatus auditorii externi)
      • articular branches
      • parotid branches (rami parotidei)
      • superficial temporal branches (rami temporales superficiales)
    • Lingual nerve (n. lingualis)
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the abducent nerve (Gray's s201)[]

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  • cavernous sinus
  • superior orbital fissure
  • Orbits: relation of nerves in:

the facial nerve (Gray's s202)[]

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  • Posterior auricular nerve (n. auricularis posterior)
    • auricular branch
    • occipital branch
  • Digastric branch (ramus digastricus)
  • Stylohyoid branch (ramus stylohyoideus)
  • Temporal branches (rami temporales)
  • Zygomatic branches (rami zygomatici; malar branches)
  • Buccal branches (rami buccales; infraorbital branches)
  • Mandibular branch (ramus marginalis mandibulæ)
  • Cervical branch (ramus colli)

the acoustic nerve (Gray's s203)[]

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the glossopharyngeal nerve (Gray's s204)[]

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  • Ganglia
    • Superior ganglion (ganglion superius; jugular ganglion)
    • Petrous ganglion (ganglion petrosum; inferior ganglion)
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  • Branches of Distribution
    • Tympanic nerve (n. tympanicus; nerve of Jacobson)
    • Carotid branches (n. caroticotympanicus superior and n. caroticotympanicus inferior)
    • Pharyngeal branches (rami pharyngei)
    • Muscular branch (ramus stylopharyngeus)
    • Tonsillar branches (rami tonsillares)
    • Lingual branches (rami linguales)

the vagus nerve (Gray's s205)[]

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  • Ganglion nodosum (ganglion of the trunk; inferior ganglion)
  • In the Jugular fossa
    • Meningeal branch (ramus meningeus; dural branch)
    • Auricular branch (ramus auricularis; nerve of Arnold)
  • In the Neck
    • Pharyngeal branch (ramus pharyngeus)
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  • In the Thorax
    • Inferior cardiac branches (rami cardiaci inferiores; thoracic cardiac branches)
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  • In the Thorax
    • Anterior bronchial branches (rami bronchiales anteriores; anterior or ventral pulmonary branches)
      • Anterior pulmonary plexus
    • Posterior bronchial branches (rami bronchiales posteriores; posterior or dorsal pulmonary branches)
      • posterior pulmonary plexus
    • Esophageal branches (rami æsophagei)
  • In the Abdomen
    • Gastric branches (rami gastrici)
      • posterior gastric plexus
      • anterior gastric plexus
    • Celiac branches (rami cæliaci)
    • Hepatic branches (rami hepatici)

the accessory nerve (Gray's s206)[]

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the hypoglossal nerve (Gray's s207)[]

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  • Meningeal branches (dural branches)
  • Descending ramus (ramus descendens; descendens hypoglossi)
    • ansa hypoglossi
  • Thyrohyoid branch (ramus thyreohyoideus)
  • Muscular branches
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  • Nervus ramus descendens
  • Nervus thyreohyoideus

the spinal nerves (Gray's s208)[]

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  • spinal nerves (Nervi spinales)
  • first cervical nerve (suboccipital nerve)
  • Nerve roots
  • Anterior root (radix anterior; ventral root)
  • Posterior root (radix posterior; dorsal root)
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  • cells of Dogiel
  • meningeal branch

the posterior divisions (Gray's s209)[]

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  • Cervical nerves (Nn. Cervicales)
    • medial branch (ramus medialis; internal branch)
    • greater occipital nerve (n. occipitalis major; great occipital nerve)
    • lateral branch (ramus lateralis; external branch)
    • posterior division of the third cervical
    • third occipital nerve
    • posterior cervical plexus
    • posterior divisions of the lower five cervical nerves
  • Thoracic nerves (Nn. Thoracales)
    • medial branches (ramus medialis; internal branch)
    • posterior divisions of the upper six thoracic nerves
    • lateral branches (ramus lateralis; external branch)
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the anterior divisions (Gray's s210)[]

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Superficial Branches of the Cervical plexus[]

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  • Smaller occipital nerve (n. occipitalïs minor; small occipital nerve)
    • auricular branch
  • Great auricular nerve (n. auricularis magnus)
Gray's page #927[]
  • Great auricular nerve
    • anterior branch (ramus anterior; facial branch)
    • posterior branch (ramus posterior; mastoid branch)
  • Cutaneous cervical (n. cutaneus colli; superficial or transverse cervical nerve)
    • ascending branches (rami superiores)
Gray's page #928[]
  • Cutaneous cervical
    • descending branches (rami inferiores)
  • Supraclavicular nerves (nn. supraclaviculares; descending branches)
    • anterior supraclavicular nerves (nn. supraclaviculares anteriores; suprasternal nerves)
    • middle supraclavicular nerves (nn. supraclaviculares medii; supraclavicular nerves)
    • posterior supraclavicular nerves (nn. supraclaviculares posteriores; supra-acromial nerves)

Deep Branches of the Cervical plexus. INTERNAL SERIES[]

Gray's page #928[]
  • Communicating branches
  • Muscular branches
  • Communicantes cervicales (communicantes hypoglossi)
  • descendens cervicalis
  • ansa hypoglossi
  • Phrenic nerve (n. phrenicus; internal respiratory nerve of Bell)
Gray's page #929[]
  • phrenic ganglion

Deep Branches of the Cervical plexus. EXTERNAL SERIES[]

Gray's page #930[]
  • Communicating branches
  • Muscular branches

brachial plexus[]

Gray's page #930[]
  • Branchial plexus (plexus brachialis)
Gray's page #931[]

Supraclavicular Branches[]

Gray's page #932[]
Gray's page #933[]

Infraclavicular branches[]

Gray's page #933[]
  • Medial cord: Medial anterior thoracic (8 C, 1 T), Medial antibrachial cutaneous, Medial brachial cutaneous, Ulnar, Medial head of median, Upper subscapular (5, 6 C), Lower subscapular (5, 6 C.)
  • Posterior cord: Thoracodorsal (5, 6, 7 C.), Axillary (5, 6 C.), Radial (6, 7, 8 C, 1 T.)
  • Anterior thoracic nerves (nn. thoracales anteriores)
    • lateral anterior thoracic (fasciculus lateralis)
    • medial anterior thoracic (fasciculus medialis)
  • Subscapular nerves (nn. subscapulares)
Gray's page #934[]
  • Subscapular nerves
    • upper subscapular (short subscapular)
    • lower subscapular
  • Thoracodorsal nerve (n. thoracodorsalis; middle or long subscapular nerve)
  • Axillary nerve (n. axillaris; circumflex nerve)
Gray's page #935[]
Gray's page #936[]
Gray's page #937[]

Median nerve[]

Gray's page #938[]
  • Median nerve (n. medianus)
    • In the forearm
      • muscular branches (rami musculares)
      • volar interosseous nerve (n. interosseus volaris; anterior interosseous nerve)
      • palmar branch (ramus cutaneus palmaris n. mediani)
    • In the palm of the hand
      • proper volar digital nerves
      • common volar digital nerves

Ulnar nerve[]

Gray's page #939[]
Gray's page #942[]

Radial nerve[]

Gray's page #943[]
Gray's page #944[]

the thoracic nerves (Gray's s211)[]

Gray's page #944[]
  • anterior divisions of the thoracic nerves (rami anteriores; ventral divisions)
Gray's page #945[]
  • First thoracic nerve
  • first intercostal nerve
  • Upper thoracic nerves (nn. intercostales)
  • thoracic intercostal nerves
  • Lateral cutaneous branches (rami cutanei laterales)
Gray's page #946[]
Gray's page #948[]
  • Lower thoracic nerves
  • thoracicoabdominal intercostal nerves
  • anterior cutaneous branches
  • lateral cutaneous branches
  • twelfth thoracic nerve
  • lateral cutaneous branch

the lumbosacral plexus (Gray's s212)[]

Gray's page #948[]
Gray's page #949[]
  • Furcal nerve (Nervus furcalis)

lumbar plexus[]

Gray's page #949[]
Gray's page #950[]
Gray's page #951[]
  • Iliohypogastric nerve (n. iliohypogastricus)
    • lateral cutaneous branch (ramus cutaneus lateralis; iliac branch)
    • anterior cutaneous branch (ramus cutaneus anterior; hypogastric branch)
Gray's page #952[]
Gray's page #953[]
Gray's page #954[]
  • Obturator nerve (n. obturatorius)
    • anterior branch (ramus anterior)
    • posterior branch (ramus posterior)
Gray's page #955[]
  • Obturator nerve (n. obturatorius)
    • articular branch for the knee-joint
  • Accessory obturator nerve (n. obturatorius accessorius)
  • Femoral nerve (n. femoralis; anterior crural nerve)
    • intermediate cutaneous nerve (ramus cutaneus anterior; middle cutaneous nerve)
    • medial cutaneous nerve (ramus cutaneus anterior; internal cutaneous nerve)
Gray's page #956[]
  • Femoral nerve (n. femoralis; anterior crural nerve)
    • medial cutaneous nerve (ramus cutaneus anterior; internal cutaneous nerve)
    • subsartorial plexus
    • Muscular branches (rami musculares)
      • nerve to the Pectineus
      • nerve to the Sartorius
    • Saphenous nerve (n. saphenus; long or internal saphenous nerve)
    • infrapatellar branch
    • plexus patellæ
    • articular branch to the hip-joint
    • articular branches to the knee-joint

the sacral and coccygeal nerves (Gray's s213)[]

Gray's page #957[]
  • Sacral plexus (plexus sacralis)
  • Nerve to the Quadratus femoris and Gemellus inferior
Gray's page #958[]
  • Nerve to the Obturator internus and Gemellus superior
Gray's page #959[]
Gray's page #960[]
  • Posterior femoral cutaneous nerve (n. cutaneus femoralis posterior; small sciatic nerve)
    • gluteal branches (nn. clunium inferiores)
    • perineal branches (rami perineales)
    • inferior pudendal (long scrotal nerve)
    • branches to the back of the thigh and leg
  • Sciatic nerve (n. ischiadicus; great sciatic nerve)

Tibial nerve[]

Gray's page #960[]
Gray's page #962[]
  • Tibial nerve (n. tibialis; internal popliteal nerve)
    • Articular branches (rami articulares)
    • Muscular branches (rami musculares)
    • medial sural cutaneous nerve (n. cutaneus suræ medialis; n. communicans tibialis)
Gray's page #963[]
  • Tibial nerve (n. tibialis; internal popliteal nerve)
    • sural nerve (n. suralis; short saphenous nerve)
      • lateral dorsal cutaneous nerve
    • medial calcaneal branches (rami calcanei mediales; internal calcaneal branches)
    • medial plantar nerve (n. plantaris medialis; internal plantar nerve)
      • cutaneous branches
      • muscular branches
      • articular branches
      • proper digital nerve of the great toe (nn. digitales plantares proprii; plantar digital branches)
      • three common digital nerves (nn. digitales plantares communes)
    • Lateral plantar nerve (n. plantaris lateralis; external plantar nerve)

Common peroneal nerve[]

Gray's page #964[]
Gray's page #965[]
  • Deep peroneal nerve (n. peronæus profundus; anterior tibial nerve)
    • muscular branches
    • articular branch
    • lateral terminal branch (external or tarsal branch)
      • interosseous branches
    • medial terminal branch (internal branch)
      • dorsal digital nerves (nn. digitales dorsales hallucis lateralis et digiti secundi medialis)
      • interosseous branch
Gray's page #966[]

Pudendal plexus[]

Gray's page #966[]
Gray's page #967[]
Gray's page #968[]

the sympathetic nerves (Gray's s214)[]

Gray's page #968[]
Gray's page #969[]
Gray's page #970[]
Gray's page #972[]
Gray's page #973[]
  • cranial sympathetics
    • Sympathetic afferent fibers of the Vagus
  • Sacral sympathetics
    • Sacral sympathetic efferent fibers
Gray's page #974[]
  • Sacral sympathetics
    • Afferent sympathetic fibers
  • Thoracolumbar sympathetics
    • thoracolumbar sympathetic fibers
    • vasoconstrictor fibers
Gray's page #976[]
Gray's page #977[]

the cephalic portion of the sympathetic system (Gray's s215)[]

Gray's page #977[]
Gray's page #978[]
  • caroticotympanic
  • cavernous plexus (plexus cavernosus)
  • filaments of connection
  • terminal filaments

the cervical portion of the sympathetic system (Gray's s216)[]

Gray's page #978[]
  • superior cervical ganglion (ganglion cervicale superius)
    • Inferior branch
    • Lateral branches (external branches)
    • Medial branches (internal branches)
    • laryngopharyngeal branches (rami laryngopharyngei)
Gray's page #979[]
Gray's page #980[]
Gray's page #981[]

the thoracic portion of the sympathetic system (Gray's s217)[]

Gray's page #981[]
  • branches from the upper five ganglia
  • branches from the lower seven ganglia
  • greater splanchnic nerve (n. splanchnicus major; great splanchnic nerve)
  • ganglion splanchnicum
  • lesser splanchnic nerve (n. splanchnicus minor)
  • lowest splanchnic nerve (n. splanchnicus imus; least splanchnic nerve)

the abdominal portion of the sympathetic system (Gray's s218)[]

Gray's page #982[]
  • Pars Abdominalis S. Sympathici; Lumbar portion of Gangliated cord

the pelvic portion of the sympathetic system (Gray's s219)[]

Gray's page #984[]
  • ganglion impar
  • branches of distribution
  • glomus coccygeum (coccygeal body)

the great plexuses of the sympathetic system (Gray's s220)[]

Gray's page #984[]
  • Cardiac plexus (Plexus Cardiacus)
    • superficial part of the cardiac plexus
    • cardiac ganglion of Wrisberg
    • deep part of the cardiac plexus
Gray's page #985[]
  • Cardiac plexus (Plexus Cardiacus)
    • Posterior coronary plexus (plexus coronarius posterior; left coronary plexus)
    • Anterior coronary plexus (plexus coronarius anterior; right coronary plexus)
  • Celiac plexus (Plexus Cœliacus; Solar plexus)
Gray's page #986[]
Gray's page #987[]
Gray's page #988[]
  • Hypogastric plexus (Plexus Hypogastricus)
    • Middle hemorrhoidal plexus (plexus hæmorrhoidalis medius)
    • Vesical plexus (plexus vesicalis)
    • Prostatic plexus (plexus prostaticus)
Gray's page #989[]
  • Hypogastric plexus (Plexus Hypogastricus)
    • lesser cavernous nerves (nn. cavernosi penis minores; small cavernous nerves)
    • greater cavernous nerve (n. cavernosus penis major; large cavernous plexus)
    • Vaginal plexus
    • Uterine plexus

See also[]

  • List of images and subjects in Gray's Anatomy
  • List of images in Gray's Anatomy: IX. Neurology
  • Gray's Anatomy