Superior rectal vein drains into-
Ans. is 'a' i.e., Inferior mesenteric vein o Superior rectal vein drains into inferior mesenteric vein,o Inferior rectal vein drains into internal pudendal vein.
Blood Vessels of Abdomen and Pelvis
Inferior mesenteric vein
External iliac vein
Internal iliac vein
Internal pudendal vein
Inferior mesenteric vein