Triceps
noun, plural tricepses
[trahy-sep-siz] /ˈtraɪ sɛp sɪz/ (Show IPA), triceps. Anatomy.
1.
a muscle having three heads or points of origin, especially the muscle on the back of the arm, the action of which straightens the elbow.
noun
1.
a triceps muscle, especially the one at the back of the upper arm.
noun (pl) -cepses (-sɛpsɪz), -ceps
1.
any muscle having three heads, esp the one (triceps brachii) that extends the forearm
triceps tri·ceps (trī’sěps’)
n. pl. tri·ceps·es (-sěp’sĭz) or triceps
A three-headed muscle of the upper arm, whose long or scapular head has origin from the lateral border of the scapula, the lateral head, origin from the lateral and posterior surface of the humerus, and the medial head from the posterior surface of the humerus; with insertion into the olecranon of the ulna, with nerve supply from the radial nerve, and whose action extends the forearm; the triceps brachii.
The gastrocnemius and soleus muscles of the calf considered as one muscle; the triceps surae.
triceps
(trī’sěps’)
The muscle at the back of the upper arm that raises and lowers the forearm. The triceps has three points of attachment to bone at its origin.
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