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Medical Term:

four-headed muscle


Definition: having four heads; denoting a muscle of the thigh, quadriceps femoris muscle, and—uncommonly—one of the calf, quadriceps surae muscle, or the combined gastrocnemius (with two heads), soleus, and plantaris, more commonly called triceps surae muscle, the plantaris being counted as a separate muscle.

Synonym(s): quadriceps

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