Arterial Supply

The superior and inferior hemorrhoidal arteries supply the rectum and anal canal (Figure 4-3.3). The superior hemorrhoidal artery is a continuation of the inferior

Figure 4-3.3. Anorectal vascular anatomy. (Reprinted from Fundamentals of Anorectal Surgery, 2nd ed, DE Beck, SD Wexner, page 6,© 1996, with permission from Elsevier)
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