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Posterolateral sulcus of medulla oblongata

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Brain: Posterolateral sulcus of medulla oblongata
Gray681
Hind- and mid-brains; postero-lateral view.
Gray687
Section of the medulla oblongata through the lower part of the decussation of the pyramids.
1. Anterior median fissure.
2. Posterior median sulcus.
3. Anterior column (in red), with 3’, anterior root.
4. Posterior column (in blue), with 4’, posterior roots.
5. Lateral cerebrospinal fasciculus.
6. Posterior funiculus.

The red arrow, a, a’, indicates the course the lateral cerebrospinal fasciculus takes at the level of the decussation of the pyramids;
the blue arrow, b, b’, indicates the course which the sensory fibers take.
Latin sulcus posterolateralis medullae oblongatae
Gray's subject #187 768
Part of
Components
Artery
Vein
BrainInfo/UW hier-703
MeSH [1]

The accessory, vagus, and glossopharyngeal nerves correspond with the posterior nerve roots, and are attached to the bottom of a sulcus named the postero-lateral sulcus (or dorsolateral sulcus).

Additional imagesEdit

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 As such, some of the information contained herein may be outdated.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