Posterior median sulcus of medulla oblongata

Posterior median sulcus of medulla oblongata

Infobox Brain
Name = PAGENAME
Latin = sulcus medianus posterior medullae oblongatae
GraySubject = 187
GrayPage = 767

|
Caption = 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.


Caption2 = Spinal cord (Dorsal-median sulcus is "s1")
IsPartOf =
Components =
Artery =
Vein =
BrainInfoType = hier
BrainInfoNumber = 705
MeshName =
MeshNumber =
DorlandsPre = s_28
DorlandsSuf = 12769164
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.


Wikimedia Foundation. 2010.

Игры ⚽ Поможем решить контрольную работу

Look at other dictionaries:

  • posterior median sulcus of medulla oblongata — s. medianus posterior medullae oblongatae …   Medical dictionary

  • Posterior median sulcus — can refer to: * Posterior median sulcus of spinal cord * Posterior median sulcus of medulla oblongata …   Wikipedia

  • median fissure of medulla oblongata dorsal — median fissure of medulla oblongata, posterior sulcus medianus posterior medullae oblongatae …   Medical dictionary

  • dorsal median sulcus of medulla oblongata — s. medianus posterior medullae oblongatae …   Medical dictionary

  • Medulla oblongata — Brain: Medulla oblongata labeled at bottom left …   Wikipedia

  • Posterior median fissure — Infobox Brain Name = PAGENAME Latin = sulcus medianus posterior medullae oblongatae, fissura mediana posterior GraySubject = 187 GrayPage = 767 Caption = Caption2 = IsPartOf = Components = Artery = Vein = BrainInfoType = BrainInfoNumber =… …   Wikipedia

  • sulcus medianus posterior medullae oblongatae — [TA] posterior median sulcus of medulla oblongata: a narrow groove present only in the closed part of the medulla oblongata, separating the two fasciculi graciles; it is the continuation of the posterior median sulcus of the spinal cord. Called… …   Medical dictionary

  • Sulcus — From the Latin for a groove, furrow, or trench. In medicine, there are many sulci (plural of sulcus) as, for example, the superior pulmonary sulcus. * * * 1. [TA] One of the grooves or furrows on the surface of the brain, bounding the several… …   Medical dictionary

  • Posterior external arcuate fibers — Diagram showing the course of the arcuate fibers. (Testut.) 1. Medulla oblongata anterior surface. 2. Anterior median fissure. 3. Fourth ventricle. 4. Inferior olivary nucleus, with the accessory olivary nuclei. 5. Gracile nucleus …   Wikipedia

  • Posterior funiculus — Section of the medulla oblongata …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”