bipenniform

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bipenniform

[bī′pen·ə‚fȯrm]
(anatomy)
Of the arrangement of muscle fibers, resembling a feather barbed on both sides.
References in periodicals archive ?
1, 2: FPPD3) is a bipennate muscle that is visible superficially on the lateral surface of proximal end of the lower leg.
flexor perforans digiti II is a bipennate muscle and lies deep to M.
The belly is nearly bipennate and narrows distally.