Middle rectal artery
| 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 |
| TA98 | A12.2.15.036 |
| TA2 | 4338 |
| FMA | 18826 |
| Anatomical terminology | |
The middle rectal artery is an artery in the pelvis that supplies blood to the rectum.
Structure
[edit]
The middle rectal artery usually arises from the internal iliac artery.[1] It is distributed to the rectum above the pectinate line.[2] It anastomoses with the inferior vesical artery, superior rectal artery, and inferior rectal artery.[2]
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
[edit]The middle rectal artery supplies the rectum[2] and the anal canal inferior to the pectinate line. [3][4]
Pathology
[edit]The middle rectal artery may be embolized to treat patients with symptomatic internal hemorrhoids in a procedure called hemorrhoidal artery embolization.[5]
Additional images
[edit]-
Sigmoid colon and rectum, showing distribution of branches of inferior mesenteric artery and their anastomoses. -
Middle rectal artery
See also
[edit]References
[edit]- ^ "Lower Gastrointestinal Hemorrhage". Diagnostic Imaging: Interventional Procedures (2nd ed.). Elsevier. 2018. pp. 376–389. doi:10.1016/B978-0-323-52481-0.50052-5. ISBN 978-0-323-52481-0.
- ^ a b c Edozien, G. Y. Bajowa (2016). "Sexual Offenses, Adult: Normal Anogenital Anatomy and Variants". Encyclopedia of Forensic and Legal Medicine (2nd ed.). Elsevier. pp. 286–311. doi:10.1016/B978-0-12-800034-2.00074-4. ISBN 978-0-12-800055-7.
- ^ Ahmed, A; Arbor, TC; Qureshi, WA (2024). "Anatomy, Abdomen and Pelvis: Anal Canal". StatPearls Publishing.
- ^ Florescu, G; Slockee, H; Yip, J. "Middle rectal artery". doi:10.53347/rID-40558.
- ^ "Hemorrhoidal Artery Embolization (HAE)". www.uclahealth.org. Retrieved 2024-08-16.
External links
[edit]- pelvis at The Anatomy Lesson by Wesley Norman (Georgetown University) (pelvicarteries)
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