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Related to hinge movement: ginglymus joint
an opening or closing movement of the mandible on the hinge axis.
Movement in a joint around a transverse axis, as occurs in the lower compartment of the temporomandibular joints at the beginning of jaw opening when the occluding teeth are separated or in the final stage of wide opening of the mouth.
See also: movement
hinge move·ment(hinj mūvmĕnt)
Movement of mandible on hinge axis.