Posterior median sulcus of medulla oblongata
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.
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 |
TA | A14.1.04.020 A14.1.05.703 |
FMA | 83795 |
Anatomical terms of neuroanatomy |
Additional images
- Fourth ventricle. Posterioe view.Deep dissection.
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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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