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Glenoid Fossa
Skeletal System

Glenoid Fossa

Fossa glenoidea

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Description

The glenoid fossa (glenoid cavity) is the pear-shaped, slightly concave, anterolaterally facing, articular area found on the lateral aspect of the head of the scapula. It articulates with the head of the humerus, forming the glenohumeral (shoulder) joint. Its margin is covered with a fibrocartilaginous glenoid labrum, which deepens the concavity of the glenoid fossa, thereby improving the stability of the glenohumeral joint.

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Glenoid Cavity

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Superior to the glenoid cavity and at the root of the coracoid process is the supraglenoid tubercle for the attachment of the tendon of the long head of the biceps brachii muscle.

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