Middle rectal artery
The middle rectal artery is an artery in the pelvis that supplies blood to the rectum.
| Middle rectal artery | |
|---|---|
 | |
 The arteries of the pelvis. | |
| Details | |
| Source | Internal iliac artery |
| Vein | Middle rectal veins |
| Supplies | Rectum, seminal vesicle, vagina |
| Identifiers | |
| Latin | Arteria rectalis media, arteria haemorrhoidalis media |
| TA | A12.2.15.036 |
| FMA | 18826 |
| Anatomical terminology | |
Structure
Internal iliac artery, showing branches, including middle rectal artery
The middle rectal artery usually arises with the inferior vesical artery, a branch of the internal iliac artery. It is distributed to the rectum, anastomosing 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, while in females it gives off branches to the vagina.
Additional images
Sigmoid colon and rectum, showing distribution of branches of inferior mesenteric artery and their anastomoses.
Middle rectal artery
External links
- Anatomy photo:43:13-0302 at the SUNY Downstate Medical Center - "The Female Pelvis: Branches of Internal Iliac Artery"
- pelvis at The Anatomy Lesson by Wesley Norman (Georgetown University) (pelvicarteries)
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