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psoas |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Psoas \Pso"as\, n. [Gr. ? a muscle of the loin: cf f. psoas.] (Anat.) An internal muscle arising from the lumbar vertebr[ae] and inserted into the femur. In man there are usually two on each side and the larger one or great psoas, forms a part of the iliopsoas.
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