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[kwod-ruh-seps] /ˈkwɒd rəˌsɛps/

noun, plural quadricepses
[kwod-ruh-sep-siz] /ˈkwɒd rəˌsɛp sɪz/ (Show IPA), quadriceps. Anatomy.
a large muscle in front of the thigh, the action of which extends the leg or bends the hip joint.
noun (pl) -cepses (-ˌsɛpsɪz), -ceps
(anatomy) a large four-part muscle of the front of the thigh, which extends the leg

1840, see quadricep.

quadriceps quad·ri·ceps (kwŏd’rĭ-sěps’)
The large four-part extensor muscle at the front of the thigh. adj.
Having four heads, said of certain muscles.
The large, four-part muscle at the front of the thigh that arises in the hip and pelvis and inserts as a strong tendon below the kneecap (patella). The quadriceps straightens and helps stabilize the knee.


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