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Its base is continuous with the body of the bone, and of considerable strength. [1] Its apex is pointed, slightly curved upward, and in flexion of the forearm is received into the coronoid fossa of the humerus. Its upper surface is smooth, convex, and forms the lower part of the semilunar notch.
Fractures of the mandible are common. However, coronoid process fractures are very rare. [1] Isolated fractures of the coronoid process caused by direct trauma are rare, as it is anatomically protected by the complex zygomatic arch/ temporo-zygomatic bone and their associated muscles.
The Coronoid process (from Greek korone, "like a crown") can refer to: The coronoid process of the mandible, part of the ramus mandibulae of the mandible; The coronoid process of the ulna, a triangular eminence projecting forward from the upper and front part of the ulna
The coronoid fossa is smaller than the olecranon fossa and receives the coronoid process of the ulna during maximum flexion of the elbow. Coronoid fossa of the humerus Above the front part of the capitulum is a slight depression, the radial fossa , which receives the anterior border of the head of the radius, when the forearm is flexed.
Elbow fractures are any broken bone in or near the elbow joint and include olecranon fractures, supracondylar humerus fractures and radial head fractures. [1] The elbow joint is formed by three different bones: the ulna, radius, and humerus that permit the joint to move like a hinge and allow a person to straighten and bend their arm and these bones are connected by tendons, ligaments, and ...
The coronoid head of the masseter's tendon and muscle fibers run posterolaterally from the coronoid process of the mandible towards the posterior third of the zygomatic arch. Its function is believed to be the retraction of the mandible and the stabilization of the mandibular coronoid process. [6] [7]
Anterior surface of the humerus, particularly the distal half of this bone: Insertion: Coronoid process and the tuberosity of the ulna: Artery: Radial recurrent artery, brachial artery: Nerve: Musculocutaneous nerve (C5-C7) and radial nerve (C5, C6) Actions: Flexion at elbow joint: Identifiers; Latin: musculus brachialis: TA98: A04.6.02.018 ...
In anatomy, the temporalis muscle, also known as the temporal muscle, is one of the muscles of mastication (chewing). It is a broad, fan-shaped convergent muscle on each side of the head that fills the temporal fossa, superior to the zygomatic arch so it covers much of the temporal bone. [1]