Vasculature
5
Plate377
VeinsofRectumandAnalCanal:Female
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
Anterior view
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
