| Prevotella oris | A species isloated from the gingival crevice, systemic infections, face, neck, and chest abscesses, wound drainages, and blood and various bodily fluids. Synonym: Prevotella oris. (05 Mar 2000) |
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| sphincter oris | <anatomy, muscle> Origin, by nasolabial band from septum of the nose, by superior incisive bundle from incisor fossa of maxilla, by inferior incisive bundle from lower jaw each side of symphysis; insertion, fibres surround mouth between skin and mucous membrane of lips and cheeks, and are blended with other muscles; action, closes lips; nerve supply, facial. Synonym: musculus orbicularis oris, musculus sphincter oris, orbicular muscle of mouth, sphincter oris. (05 Mar 2000) |
| orbicularis oris | <anatomy, muscle> Origin, by nasolabial band from septum of the nose, by superior incisive bundle from incisor fossa of maxilla, by inferior incisive bundle from lower jaw each side of symphysis; insertion, fibres surround mouth between skin and mucous membrane of lips and cheeks, and are blended with other muscles; action, closes lips; nerve supply, facial. Synonym: musculus orbicularis oris, musculus sphincter oris, orbicular muscle of mouth, sphincter oris. (05 Mar 2000) |
| tunica mucosa oris | The mucous membrane of the oral cavity, including the gingiva. Synonym: tunica mucosa oris. (05 Mar 2000) |
| fetor oris | <symptom> Bad breath. Causes include smoking, poor dental hygiene, alcoholism, throat infection, dental infection, sinusitis, lung infection, gum disease, impacted tooth and a foreign body in the nose (children). Regular dental flossing and brushing can reduce this problem. (13 Nov 1997) |
| labia oris | Lips of the mouth. Synonym: labia oris. (05 Mar 2000) |
| labium inferius oris | The muscular fold bounding the opening of the mouth inferiorly. Synonym: labium inferius oris. (05 Mar 2000) |
| labium superius oris | The muscular fold forming the superior border of the mouth. Synonym: labium superius oris. (05 Mar 2000) |
| musculus levator alae nasi | Portion of musculus levator labii superioris alaeque nasi muscle inserting into wing of nose. (05 Mar 2000) |
| musculus levator ani | <anatomy> Formed by pubococcygeus and iliococcygeus muscles; origin, posterior body of pubis, tendinous arch of the levator ani, and spine of ischium; insertion, anococcygeal ligament, sides of the lower part of the sacrum and of coccyx; action, resists prolapsing forces and draws the anus upward following defecation; supports the pelvic viscera; nerve supply, nerve to levator ani (fourth sacral spinal nerve). Synonym: musculus levator ani, elevator muscle of anus. (05 Mar 2000) |
| musculus levator costae | musculus levator costae, elevator muscle of rib, musculi levatores costarum |
| musculus levator glandulae thyroideae | A fasciculus occasionally passing from the thyrohyoid muscle to the isthmus of the thyroid gland. Synonym: musculus levator glandulae thyroideae, elevator muscle of thyroid gland, Soemmerring's muscle. (05 Mar 2000) |
| musculus levator labii inferioris | <anatomy, muscle> Origin, incisor fossa of mandible; insertion, skin of chin; action, raises and wrinkles skin of chin, thus elevating the lower lip; nerve supply, facial. Synonym: musculus mentalis, chin muscle, musculus levator labii inferioris. (05 Mar 2000) |
| musculus levator labii superioris | <anatomy, muscle> Origin, maxilla below infraorbital foramen; insertion, orbicularis oris of upper lip; action, elevates upper lip; nerve supply, facial. Synonym: musculus levator labii superioris, caput infraorbitale quadrati labii superioris, elevator muscle of upper lip. (05 Mar 2000) |
| musculus levator labii superioris alaeque nasi | <anatomy, muscle> Origin, root of nasal process of maxilla; insertion, wing of nose and orbicularis oris muscle of upper lip; action, elevates upper lip and wing of nose; nerve supply, facial. Synonym: musculus levator labii superioris alaeque nasi, caput angulare quadrati labii superioris, elevator muscle of upper lip and wing of nose. (05 Mar 2000) |