| os zygomaticum | A quadrilateral bone which forms the prominence of the cheek; it articulates with the frontal, sphenoid, temporal, and maxillary bone. Synonym: os zygomaticum, cheek bone, jugal bone, mala, malar bone, os malare, yoke bone, zygoma. (05 Mar 2000) |
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| caput zygomaticum quadrati labii superioris | <anatomy, muscle> Origin, zygomatic bone posterior to zygomaticomaxillary suture; insertion, orbicularis oris of upper lip; action, draws upper lip upward and outward; nerve supply, facial. Synonym: musculus zygomaticus minor, caput zygomaticum quadrati labii superioris, lesser zygomatic muscle. (05 Mar 2000) |
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| tuber zygomaticum | Articular eminence of the temporal bone which bounds the mandibular fossa anteriorly; it forms the anterior root of the zygomatic process; it is enclosed by the articular capsule of the temporomandibular joint with the articular fossa; the head of the mandible (and intervening articular disc) move onto the articular tubercle to allow full depression of mandible (opening of mouth). Synonym: tuberculum articulare ossis temporalis, articular eminence of temporal bone, eminentia articularis ossis temporalis, tuber zygomaticum. (05 Mar 2000) |