Which vein drains the tail and empties into the origin of the postcava?

A) internal iliac vein
B) caudal vein
C) hepatic portal vein
D) external iliac vein

Caudal Vein

A term usually referring to a tail vein in laboratory animals, used for injections or sample collection.

Internal Iliac Vein

A vein located in the pelvis that drains blood from the lower abdomen and pelvis into the common iliac veins.

Hepatic Portal Vein

A blood vessel that carries nutrient-rich blood from the gastrointestinal tract and spleen to the liver.