Inferior rectal artery
| Inferior rectal artery | |
|---|---|
 The inferior rectal arteries(unlabeled) surround the anus. | |
 | |
| Details | |
| Source | Internal pudendal artery |
| Vein | Inferior rectal veins |
| Supplies | Anal canal |
| Identifiers | |
| Latin | arteria rectalis inferior, arteria haemorrhoidalis inferior |
| TA98 | A12.2.15.039 |
| TA2 | 4342 |
| FMA | 20824 |
| Anatomical terminology | |
The inferior rectal artery (inferior hemorrhoidal artery) is an artery that supplies blood to the lower third of the anal canal below the pectinate line.
Structure
The inferior rectal artery arises from the internal pudendal artery as it passes above the ischial tuberosity.
Piercing the wall of the
They anastomose with the corresponding vessels of the opposite side, with the superior and middle rectal arteries, and with the perineal artery.
Function
The inferior rectal artery supplies oxygenated blood to the anal sphincter and the lower third of the anal canal below the pectinate line.[1][2]
Additional images
-
The perineum. The integument and superficial layer of superficial fascia reflected.
See also
- Superior rectal artery
- Middle rectal artery
- Inferior rectal nerve
References
This article incorporates text in the public domain from page 619 of the 20th edition of Gray's Anatomy (1918)
- ISBN 978-0-7234-3445-0, retrieved 2021-02-06
- ISBN 978-0-443-10373-5, retrieved 2021-02-06
External links
- Anatomy figure: 41:04-05 at Human Anatomy Online, SUNY Downstate Medical Center - "Inferior view of female perineum, branches of the internal pudendal artery."
- Anatomy figure: 42:03-05 at Human Anatomy Online, SUNY Downstate Medical Center - "Branches of internal pudendal artery in the male perineum."
- Anatomy image:9077 at the SUNY Downstate Medical Center
- Anatomy image:9085 at the SUNY Downstate Medical Center
- perineum at The Anatomy Lesson by Wesley Norman (Georgetown University) (analtriangle3)
- figures/chapter_32/32-2.HTM: Basic Human Anatomy at Dartmouth Medical School
- figures/chapter_32/32-3.HTM: Basic Human Anatomy at Dartmouth Medical School
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