| central incisor | <dentistry> The first tooth in the maxilla and mandible on either side of the midsagittal plane of the head. (05 Mar 2000) |
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| second incisor | Second maxillary or mandibular permanent or deciduous tooth on either side of the midsagittal plane of the head. Synonym: lateral incisor. (05 Mar 2000) |
| incisor | <anatomy> One of the teeth in front of the canines in either jaw; an incisive tooth. See Tooth. Source: Websters Dictionary (01 Mar 1998) |
| incisor canal | One of several bony canals leading from the floor of the nasal cavity into the incisive fossa on the palatal surface of the maxilla; they convey the nasopalatine nerves and branches of the greater palatine arteries which anastomose with the septal branch of the sphenopalatine artery. Synonym: canalis incisivus. (05 Mar 2000) |
| incisor crest | The front part of the nasal crest of the palatine process of the maxilla. (05 Mar 2000) |
| incisor foramen | One of several (usually four) openings of the incisive canals into the incisive fossa. Synonym: foramen incisivum, incisor foramen, Stensen's foramen. (05 Mar 2000) |
| incisor tooth | A tooth with a chisel-shaped crown and a single conical tapering root; there are four of these teeth in the anterior part of each jaw, in both the deciduous and the permanent dentitions. Synonym: dens incisivus. (05 Mar 2000) |
| lateral incisor | Second maxillary or mandibular permanent or deciduous tooth on either side of the midsagittal plane of the head. Synonym: lateral incisor. (05 Mar 2000) |
| Frankfort-mandibular incisor angle | Any of several variously named and variously defined anatomical angle's that have been used to quantify facial protrusion, in dentistry, the angle formed by the intersection of the orbitomeatal (Frankfort) plane with the nasion-pogonion line (inner lower angle), which establishes the anteroposterior relation of the mandible to the upper face at the orbitomeatal plane. Synonym: Frankfort-mandibular incisor angle. (05 Mar 2000) |
| anastomotic branch of middle meningeal artery to lacrimal artery | <anatomy, artery> A branch of the middle meningeal artery arising in the cranial cavity which runs anteriorly through the superior orbital fissure to anastomose with the lacrimal artery. See: orbital branch of middle meningeal artery. Synonym: ramus anastomoticus arteriae meningeae mediae cum lacrimali. (05 Mar 2000) |
| Abbott's artery | <anatomy, artery> An anomalous artery arising from the posteromedial proximal descending aorta, important during coarctation repair. (05 Mar 2000) |
| aberrant artery | Artery having an unusual origin or course. (05 Mar 2000) |
| aberrant obturator artery | See: pubic branch of inferior epigastric artery. (05 Mar 2000) |
| accessory meningeal branch of middle meningeal artery | <anatomy, artery> A branch of either the middle meningeal or maxillary artery in the infratemporal fossa and passing superiorly through the foramen ovale to supply the trigeminal ganglion, dura mater and inner table of bone. Synonym: ramus meningeus accessorius arteriae meningeae mediae. (05 Mar 2000) |
| accessory obturator artery | <anatomy, artery> Term applied to the anastomosis of pubic branch of the inferior epigastric artery with the pubic branch of the obturator artery when it contributes a significant supply through the obturator canal. Synonym: arteria obturatoria accessoria, ramus obturatorius arteriae epigastricae inferioris. (05 Mar 2000) |