The medial epicondyle of the humerus

Humerus

The humerus is a long bone in the arm or forelimb that runs from the shoulder to the elbow....

, larger and more prominent than the lateral epicondyle

Lateral epicondyle

Lateral epicondyle can refer to:* Lateral epicondyle of the humerus * Lateral epicondyle of the femur...

, is directed a little backward. In birds, where the arm is somewhat rotated compared to other tetrapod

Tetrapod

Tetrapods are vertebrate animals having four limbs. Amphibians, reptiles, birds and mammals are all tetrapods; even snakes and other limbless reptiles and amphibians are tetrapods by descent. The earliest tetrapods evolved from the lobe-finned fishes in the Devonian...

s, it is called ventral epicondyle of the humerus.

It gives attachment to the ulnar collateral ligament of elbow joint, to the Pronator teres, and to a common tendon of origin (the common flexor tendon

Common flexor tendon

The common flexor tendon is a tendon shared by a number of superficial flexor muscles in the forearm. It attaches to the medial epicondyle of the humerus....

) of some of the Flexor muscles of the forearm

Forearm

-See also:*Forearm flexors*Forearm muscles...

.

The ulnar nerve

Ulnar nerve

In human anatomy, the ulnar nerve is a nerve which runs near the ulna bone. The ulnar collateral ligament of elbow joint is in relation with the ulnar nerve. The nerve is the largest unprotected nerve in the human body , so injury is common...

 runs in a groove on the back of this epicondyle

Epicondyle

Epicondyle may refer to:...

.