Medical Definition of Triceps muscle of arm
1.
Origin, long or scapular head: lateral border of scapula below glenoid fossa, lateral head: lateral and posterior surface of humerus below greater tubercle, medial head: posterior surface of humerus below radial groove; insertion, olecranon of ulna; action, extends elbow; nerve supply, radial.
Synonym: musculus triceps brachii, triceps muscle of arm.
(05 Mar 2000)
Lexicographical Neighbors of Triceps Muscle Of Arm
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