(Science: anatomy, muscle) origin, pterygoid fossa of sphenoid and tuberosity of maxilla; insertion, medial surface of mandible between angle and mylohyoid groove; action, elevates mandible closing jaw; nerve supply, nerve to medial pterygoid from mandibular division of trigeminal.
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... spitting cobras spit venom. The palato-maxillary arch (comprising the pterygoid, palatine, ectopterygoid and maxilla) articulates with the skull ... sites are shown as solid colors (lateral surface) or broken colors (medial surface) for the following muscles: M. adductor mandibular externus ...
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