Psychology Wiki
Anterior median fissure
A spinal nerve with its anterior and posterior roots.
Latin fissura mediana anterior medullae spinalis
Gray's subject #185 752
MeSH [1]
Transverse section of the medulla spinalis in the mid-thoracic region.

The Anterior Median Fissure has an average depth of about 3 mm., but this is increased in the lower part of the medulla spinalis.

It contains a double fold of pia mater, and its floor is formed by a transverse band of white substance, the anterior white commissure, which is perforated by blood vessels on their way to or from the central part of the medulla spinalis.

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