Coronoid process of the ulna
Coronoid Process of the Ulna[edit | edit source]
The Coronoid Process of the Ulna is a triangular eminence projecting forward from the upper and front part of the Ulna. It is one of the important structures of the Elbow joint and plays a crucial role in the functioning of the forearm.
Anatomy[edit | edit source]
The coronoid process is located at the proximal end of the ulna, the larger of the two bones in the forearm. It is triangular in shape and has three surfaces: anterior, medial, and lateral. The anterior surface is smooth and concave, and forms the lower part of the semilunar notch. The medial and lateral surfaces are rough, for the attachment of muscles and ligaments.
Function[edit | edit source]
The coronoid process serves as a point of attachment for several important muscles and ligaments of the forearm, including the brachialis, the strongest flexor of the elbow, and the ulnar collateral ligament, which provides stability to the elbow joint.
Clinical Significance[edit | edit source]
Fractures of the coronoid process can occur as a result of trauma to the elbow, such as a fall on an outstretched hand. These fractures can lead to instability of the elbow joint and may require surgical intervention.
See Also[edit | edit source]
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Contributors: Prab R. Tumpati, MD
