Ulnar vein

Definition

The ulnar vein is one of the major veins in the forearm that primarily drains blood from the hand and forearm back to the heart. It runs alongside the ulna bone, one of the two long bones in the forearm.

Related terms

Circulatory System:

The complex network of heart, blood, and blood vessels that transports oxygen, nutrients, and waste products throughout the body.

Venous Return: The process of returning deoxygenated blood back to the heart via veins.

Ulna Bone: A long bone in the forearm that runs parallel to the radius, providing structural support and playing a key role in arm movement