Coronoid process

Coronoid Process

The Coronoid Process is a key anatomical feature of the mandible and ulna, two important bones in the human body. It plays a crucial role in the functioning of the jaw and the forearm.

Anatomy

The Coronoid Process is a triangular eminence projecting forward from the upper and front part of the ulna.

Mandible

In the mandible, the Coronoid Process is a thin, triangular eminence, which is flattened from side to side and varies in shape and size. Its anterior border is convex and is continuous below with the anterior border of the ramus. Its posterior border is concave and forms the anterior boundary of the mandibular notch.

Ulna

In the ulna, the Coronoid Process is triangular in form and situated at the upper and front part of the bone, immediately in front of the olecranon.

Function

The Coronoid Process serves as the point of insertion for various muscles. In the mandible, it provides attachment to the temporalis muscle, which is involved in closing the jaw. In the ulna, it provides attachment to the brachialis muscle, which is involved in flexing the elbow.

Clinical Significance

Damage or abnormalities to the Coronoid Process can lead to a range of medical conditions, including fractures, dislocations, and arthritis. Treatment typically involves surgery to repair or remove the damaged process.

See Also

• Mandible
• Ulna
• Temporalis muscle
• Brachialis muscle

References

Coronoid process Resources
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