Veins of Rectum and Anal Canal: Female Anterior View Anatomy
Inferior mesenteric vein (to portal vein via splenic vein), Sigmoid veins,
Superior rectal vein (bifurcation), External iliac vein, Internal iliac vein, Obturator
vein, Superior vesical and uterine veins (from uterine venous plexus), Internal
pudendal vein,
Communication between internal and perimuscular rectal plexuses,
Vaginal vein (from vaginal venous plexus), Internal pudendal vein in pudendal
canal (Alcock’s), Communication between internal and external venous plexuses, Inferior
vena cava, Common iliac veins, Median sacral vein, Perimuscular rectal venous
plexus, Internal rectal plexus, External rectal plexus, Middle rectal vein, Inferior
rectal vein, Inferior vesical vein.
