Anterior median fissure of the spinal cord

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Anterior median fissure of the spinal cord
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A spinal nerve with its anterior and posterior roots.
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Transverse section of the medulla spinalis in the mid-thoracic region.
Latin fissura mediana anterior medullae spinalis
Gray's subject #185 752
Dorlands/Elsevier f_08/12365575

The anterior median fissure of the spinal cord 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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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 As such, some of the information contained herein may be outdated.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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