oris t
121labium superius oris — [TA] upper lip: the fleshy margin of the superior border of the mouth …
122musculus depressor anguli oris — [TA] depressor muscle of angle of mouth: origin, lower border of mandible; insertion, angle of mouth; innervation, facial; action, pulls down angle of mouth …
123musculus orbicularis oris — [TA] orbicular muscle of mouth, comprising a pars labialis, fibers restricted to the lips, and a pars marginalis, fibers blending with those of adjacent muscles; innervation, facial; action, closes and protrudes lips …
124rima oris — [TA] oral fissure: the longitudinal opening of the mouth, between the lips …
125Â Â Â Â tunica mucosa oris — [TA] that lining the oral cavity …
126vestibulum oris — [TA] oral vestibule: the portion of the oral cavity bounded on one side by the teeth and gingivae, or the residual alveolar ridges, and on the other side by the lips (labial vestibule) and cheeks (buccal vestibule); called also external oral… …
127cancrum oris — ulceration of the lips and mouth. See also: noma …
128rima oris — noun the opening through which food is taken in and vocalizations emerge he stuffed his mouth with candy • Syn: ↑mouth, ↑oral cavity, ↑oral fissure • Derivationally related forms: ↑mouth (for: ↑mo …