Quadratojugal
The quadratojugal is a small jaw bone that is present in most amphibians, reptiles, and birds, but has been lost in mammals. It is connected to the
jugal as well as other bones, though these may vary with species.
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Quadratojugal
(n.)
The quadratojugal bone.
(a.)
Of or pertaining to the quadratojugal bone.
(a.)
Of or pertaining to the quadrate and jugal bones.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
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