| septum nasi | The dividing wall that runs down the middle of the nose so that there are normally two sides to the nose, each ending in a nostril. (12 Dec 1998) |
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| septum nasi osseum | The bones supporting the bony part of the nasal septum; these are the perpendicular plate of the ethmoid, the vomer, the sphenoidal rostrum, the crest of the nasal bones, the frontal spine, and the median crest formed by the apposition of the maxillary and palatine bones. Synonym: septum nasi osseum. (05 Mar 2000) |
| stria nasi transversa | A single deep horizontal groove at the level of the alae, with no associated defects. Synonym: transverse nasal groove. (05 Mar 2000) |
| sulcus olfactorius cavum nasi | The narrow groove in the nasal cavity above the agger nasi that leads from the atrium to the olfactory area. Synonym: sulcus olfactorius cavum nasi. (05 Mar 2000) |
| dorsum nasi | The external ridge of the nose, looking forward and upward. Synonym: dorsum nasi. (05 Mar 2000) |
| tunica mucosa nasi | The mucous membrane lining the nasal cavity. (12 Dec 1998) |
| 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) |
| limen nasi | A ridge marking the boundary between the nasal cavity proper and the vestibule. Synonym: threshold of nose. (05 Mar 2000) |
| arteria | Synonym: artery. See: branch. Origin: L. From G. Arteria, the windpipe, later an artery as distinct from a vein (05 Mar 2000) |
| arteria acetabuli | An arterial branch that supplies the acetabulum; two arteries, the obturator and the medial femoral circumflex, have such branches. Synonym: ramus acetabularis, acetabular artery, arteria acetabuli. (05 Mar 2000) |
| arteria alveolaris inferior | <anatomy, artery> Origin, 1st part of maxillary artery; distribution, through mandibular foramen/canal to lower teeth and chin; branches, artery to mylohyoid, mental artery, dental arteries. Synonym: arteria alveolaris inferior, inferior dental artery. (05 Mar 2000) |
| arteria alveolaris superior posterior | <anatomy, artery> Origin, 3rd part of maxillary artery within pterygopalatine fossa; distribution, molar and premolar teeth, gingiva and mucous membrane of maxillary sinus. Synonym: arteria alveolaris superior posterior, posterior alveolar artery, posterior dental artery. (05 Mar 2000) |
| arteria anastomotica auricularis magna | <anatomy, artery> A vessel of variable origin, most commonly a branch of the circumflex artery, coursing posteriorly through the base of the interatrial septum toward the crux of the heart, anastomosing with coronary artery branches supplying the atrioventricular node, the atrioventricular bundle (bundle of His), and the upper posterior walls of the left ventricle. Synonym: arteria anastomotica auricularis magna. (05 Mar 2000) |
| arteria anastomotica magna | <anatomy, artery> Origin, brachial; distribution, arm muscles at back of elbow; anastomoses, anterior and posterior ulnar recurrent, superior ulnar collateral, profunda brachii, and recurrent interosseous, as part of the articular network of the elbow. Synonym: arteria collateralis ulnaris inferior, arteria anastomotica magna, great anastomotic artery. (05 Mar 2000) |
| arteria angularis | <anatomy, artery> The terminal branch of the facial artery; distribution, muscles and skin of side of nose; anastomoses, lateral nasal, and dorsal artery of nose and palpebrals from the ophthalmic artery, thereby providing an external-internal carotid arterial anastomosis. Synonym: artery of angular gyrus. Synonym: arteria angularis. (05 Mar 2000) |