Middle rectal artery

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Middle rectal artery
Gray1083.png
The blood vessels of the rectum and anus, showing the distribution and anastomosis on the posterior surface near the termination of the gut. (Labeled as hemorrhoidal artery.)
Midrectal.png
The arteries of the pelvis.
Details
SourceInternal iliac artery
VeinMiddle rectal veins
SuppliesRectum, seminal vesicle, vagina
Identifiers
LatinArteria rectalis media,
arteria haemorrhoidalis media
TA98A12.2.15.036
TA24338
FMA18826
Anatomical terminology

The middle rectal artery is an artery in the pelvis that supplies blood to the rectum.

Structure[]

Internal iliac artery, showing branches, including middle rectal artery

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[]

The middle rectal artery supplies the rectum above the pectinate line.[2]

Additional images[]

  • Sigmoid colon and rectum, showing distribution of branches of inferior mesenteric artery and their anastomoses.

  • Middle rectal artery

See also[]

References[]

  1. ^ "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.
  2. ^ 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.

External links[]


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