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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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The glenoid labrum is a fibrocartilaginous structure that surrounds the glenoid fossa and functions to deepen the glenoid cavity, thereby caudal to stabilization of the glenohumeral joint.

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