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.
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.
Source: Wikipedia "Inferior rectal artery" · CC BY-SA 4.0
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