teres minor

teres minor

n.

A muscle with origin from the lateral border of the scapula, with insertion into the great tuberosity of the humerus, with nerve supply from the axillary nerve from the fifth and the sixth cervical nerves, and whose action adducts the arm and rotates it laterally.

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teres minor,

a cylindric, elongated muscle of the shoulder. It functions to rotate the arm laterally, weakly adduct the arm, and draw the humerus toward the glenoid fossa of the scapula, strengthening the shoulder joint. Compare teres major.