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Brain: Pyramid of medulla oblongata
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Medulla oblongata and pons. Anterior surface. (Pyramid visible at center.)
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Section of the medulla oblongata at about the middle of the olive. (Pyramid visible at bottom center.)
Latin pyramis medullae oblongatae
Gray's subject #187 768
Part of
Components
Artery
Vein
BrainInfo/UW hier-702
MeSH [1]

The anterior or ventral portion of the medulla oblongata is named the pyramid and lies between the anterior median fissure and the antero-lateral sulcus.

Its upper end is slightly constricted, and between it and the pons the fibers of the abducent nerve emerge; a little below the pons it becomes enlarged and prominent, and finally tapers into the anterior funiculus of the medulla spinalis, with which, at first sight, it appears to be directly continuous.

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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 As such, some of the information contained herein may be outdated.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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