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.)
|Latin||arteria sacralis mediana|
|Supplies||coccyx, lumbar vertebrae, sacrum|
|Median sacral vein|
The median sacral artery (or middle sacral artery) is a small vessel that arises posterior to the abdominal aorta and superior to its bifurcation.
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.
- 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)
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