Modifies a noun

• fossa: At less than 90 degrees of abduction the deltoid muscle force creates a shear vector in the glenoid fossa.

• cavity: The glenoid cavity is wide and shallow, unlike the ball and socket joint in the hindlimb which is narrow and deep.

• component: The primary reason for shoulder implant failures is that the glenoid component of the prosthesis becomes loose.

• rim: Glenoid rim Up to half the patients with glenohumeral instability have an osseous avulsion of the glenoid rim, a bony Bankart lesion.

• labrum: Arthroscopic surgery for removal of loose bodies and of a torn glenoid labrum would be the current recommended procedure rather than open surgery.

• socket: This creates a deeper cup for the glenoid socket.