biceps femoris

[ fem-er-is ]
/ ˈfɛm ər ɪs /

noun

See under biceps.

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Origin of biceps femoris

1855–60; <New Latin: literally, biceps of (the) femur
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for biceps femoris

biceps femoris
[ fĕmər-ĭs ]

n.

A muscle whose long head has origin from the tuberosity of the ischium and whose short head has origin from the lower half of the lateral lip of the linea aspera, with insertion into the head of the fibula, with nerve supply from the tibial nerve for the long head and from the peroneal nerve for the short head, and whose action flexes the knee and rotates the leg laterally.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.