mandibulo-, mandibul-, mandibuli-; manduc-, manduca-

(Latin: jaw, lower jaw; chew; from mandere, "to chew")

oromandibular (noun) (no comparisons)
Of or affecting the mouth and the mandible; such as, oromandibular dystonia, or muscle contractions that may cause twisting and repetitive movements or jerks in the horseshoe-shaped bone area that forms the lower jaw.
temporomandibular joint, TMJ (s) (noun) temporomandibular joints (pl)
This joint is formed at the back of the mouth where the maxillary and mandibular arches come together.

The maxillary arch, which is part of the skull, does not move. The mandibular arch, which is a separate bone, is the moveable component of this joint.