Final answer:
The glenoid cavity in the scapula is positioned on the lateral border and forms the glenohumeral joint with the humerus.
Explanation:
The glenoid cavity is located on the lateral border of the scapula, between the superior and lateral borders. It serves as the socket for the head of the humerus bone, forming the glenohumeral joint or shoulder joint.
Learn more about Scapula anatomy and joints here:
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