Superior rectal vein drains into-: (A) Inferior mesenteric vein, (B) External iliac vein, (C) Internal iliac vein, (D) Internal pudendal vein
Answer is A. 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.