Posterior median sulcus of medulla oblongata
Posterior median sulcus of medulla oblongata | |
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Section of the medulla oblongata through the lower part of the decussation of the pyramids.
the blue arrow, b, b’, indicates the course which the sensory fibers take. | |
Spinal cord (Dorsal-median sulcus is "s1") | |
Details | |
Identifiers | |
Latin | sulcus medianus posterior medullae oblongatae |
NeuroNames | 708 |
TA98 | A14.1.04.020 A14.1.05.703 |
TA2 | 5994 |
FMA | 83795 |
Anatomical terms of neuroanatomy [edit on Wikidata] |
The posterior median sulcus of medulla oblongata (or posterior median fissure or dorsal median sulcus) is a narrow groove; and exists only in the closed part of the medulla oblongata; it becomes gradually shallower from below upward, and finally ends about the middle of the medulla oblongata, where the central canal expands into the cavity of the fourth ventricle.
Additional images
- Fourth ventricle. Posterioe view.Deep dissection.
References
This article incorporates text in the public domain from page 767 of the 20th edition of Gray's Anatomy (1918)
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Anatomy of the medulla
Cranial nuclei |
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Ventral |
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Dorsal | |
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Ventral |
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