Pronator teres

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pronator teres

(Science: anatomy, muscle) origin, superficial (humeral) head (ulnar) from the common flexor origin on the medial epicondyle of the humerus, deep (ulnar) head from the medial side of the coronoid process of the ulna; insertion, middle of the lateral surface of the radius; action, pronates forearm; nerve supply, median.

Synonym: musculus pronator teres, musculus pronator radii teres, round pronator muscle.