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Median sacral artery

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Title: Median sacral artery  
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Subject: Aorta, Lateral sacral artery, Internal iliac artery, Arterial tree, Sacral artery
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Median sacral artery

Median sacral artery
The abdominal aorta and its branches. (Middle sacral visible at center bottom.)
The arteries of the pelvis. (Middle sacral labeled at upper right.)
Details
Latin arteria sacralis mediana
Supplies coccyx, lumbar vertebrae, sacrum
Source
abdominal aorta
Median sacral vein
Identifiers
Gray's p.613
Dorlands
/Elsevier
a_61/12155748
Anatomical terminology

The median sacral artery (or middle sacral artery) is a small vessel that arises posterior to the abdominal aorta and superior to its bifurcation.

It descends in the middle line in front of the fourth and fifth lumbar vertebræ, the sacrum and coccyx, ending in the glomus coccygeum (coccygeal gland).

Minute branches pass from it, to the posterior surface of the rectum.

On the last lumbar vertebra it anastomoses with the lumbar branch of the iliolumbar artery; in front of the sacrum it anastomoses with the lateral sacral arteries, sending offshoots into the anterior sacral foramina.

It is crossed by the left common iliac vein and accompanied by a pair of venæ comitantes; these unite to form a single vessel that opens into the left common iliac vein.

See also

Additional images

External links

  • Anatomy photo:40:11-0200 at the SUNY Downstate Medical Center - "Posterior Abdominal Wall: Branches of the Abdominal Aorta"
  • pelvis at The Anatomy Lesson by Wesley Norman (Georgetown University) (pelvicarteries)

This article incorporates text from a public domain edition of Gray's Anatomy.

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