Endolymphatic duct

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Endolymphatic duct
File:Gray924.png
The membranous labyrinth. (Ductus endolymphaticus labeled at bottom center.)
Latin	ductus endolymphaticus
Gray's	subject #232 1052
System
MeSH	[1]
Endolymphatic duct is #6, and is labeled at top center.

From the posterior wall of the saccule a canal, the endolymphatic duct, is given off; this duct is joined by the ductus utriculosaccularis, and then passes along the aquaeductus vestibuli and ends in a blind pouch (saccus endolymphaticus) on the posterior surface of the petrous portion of the temporal bone, where it is in contact with the dura mater.

Additional images

Transverse section through head of fetal sheep, in the region of the labyrinth. X 30.

Gray927.png

Transverse section of a human semicircular canal and duct

External links

• Dictionary at eMedicine Endolymphatic+duct
• [The Endolymphatic Duct and Sac]http://www.ajnr.org/cgi/reprint/18/5/881.pdf

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

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