What is a varicose vein in hunman body?

Answer:
A varicose vein is a distended vein where the valves are unable to close properly. This can lead to thromboses, which are blood clots and can make the veins hard, bumpy, and painful.
First answer by Natural Val. Last edit by Natural Val. Contributor trust: 2474 [recommend contributor recommended]. Question popularity: 1 [recommend question].