chin reflex(redirected from chin-jerk reflex)
a spasmodic contraction of the temporal muscles following a downward tap on the loosely hanging mandible.
Farlex Partner Medical Dictionary © Farlex 2012
A clonic movement resulting from percussion or stroking of the lower jaw.Synonym: jaw jerk; jaw reflex
See also: reflex
Medical Dictionary, © 2009 Farlex and Partners