Coronoid process of the ulna

Definition

The coronoid process of the ulna is a triangular eminence projecting forward from the anterior proximal portion of the ulna, one of the two bones in the forearm. It serves as a point of attachment for several muscles and ligaments, playing a crucial role in elbow joint stability and motion.

Related terms

Elbow Joint: A hinge joint formed between the distal end of the humerus in the upper arm and the proximal ends of the ulna and radius in the forearm.

Ulna: A longer, larger bone of the forearm that runs parallel to the radius and plays a key role in forming the elbow joint and wrist joint.

Brachialis Muscle: A muscle that originates on the lower half of the front surface of the humerus and attaches mainly to the coronoid process of the ulna, responsible for flexing the elbow