- Source: Middle rectal artery
The middle rectal artery is an artery in the pelvis that supplies blood to the rectum.
Structure
The middle rectal artery usually arises from the internal iliac artery. It is distributed to the rectum above the pectinate line. It anastomoses with the inferior vesical artery, superior rectal artery, and inferior rectal artery.
In males, the middle rectal artery may give off branches to the prostate and the seminal vesicles. In females, the middle rectal artery gives off branches to the vagina.
Function
The middle rectal artery supplies the rectum and the anal canal inferior to the pectinate line.
Pathology
The middle rectal artery may be embolized to treat patients with symptomatic internal hemorrhoids in a procedure called hemorrhoidal artery embolization.
Additional images
See also
Superior rectal artery
Inferior rectal artery
References
External links
pelvis at The Anatomy Lesson by Wesley Norman (Georgetown University) (pelvicarteries)
Kata Kunci Pencarian:
- Middle rectal artery
- Superior rectal artery
- Inferior rectal artery
- Rectal artery
- Internal iliac artery
- Rectum
- Prostate
- Middle rectal veins
- Ureter
- Seminal vesicles
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