(Greek: water, yellowish fluid; connected with, or containing, lymph, a transparent fluid that is derived from body tissue and conveyed to the bloodstream by the lymphatic vessels)
The inferior vena cava are the large venous trunk which receives blood from the lower extremities and from the pelvic and abdominal organs. It travels through the abdomen (from the lower extremities) and returns blood to the right atrium, a thin-walled chamber of the heart which pumps blood into the right ventricle, of the heart.
2. The blind pouch at the end of the endolymphatic duct or the duct connecting the endolymphatic sac with the membranous labyrinth.