| auriculo-infraorbital plane | A standard craniometric reference plane passing through the right and left porion and the left orbitale; drawn on the profile radiograph or photograph from the superior margin of the acoustic meatus to the orbitale. Synonym: auriculo-infraorbital plane, eye-ear plane, Frankfort horizontal plane, Frankfort plane, infraorbitomeatal plane. (05 Mar 2000) |
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| middle superior alveolar branch of infraorbital nerve | <anatomy, nerve> The middle superior alveolar branch, a branch of the superior alveolar nerve that contributes to the superior dental plexus. Synonym: ramus alveolaris superior medius nervi infraorbitalis. (05 Mar 2000) |
| superior labial branches of infraorbital nerve | <anatomy, nerve> Branches of infraorbital nerve to upper lip. Synonym: rami labiales superiores nervi infraorbitalis. (05 Mar 2000) |
| Dennie's infraorbital fold | An accentuated line or fold below the margin of the lower eyelid; characteristic in atopic dermatitis. Synonym: Dennie's infraorbital fold. (05 Mar 2000) |
| infraorbital | <anatomy> Below the orbit; as, the infraorbital foramen; the infraorbital nerve. Origin: Infra + orbital. Source: Websters Dictionary (01 Mar 1998) |
| infraorbital artery | <anatomy, artery> Origin, third part of maxillary; distribution, upper canine and incisor teeth, inferior rectus and inferior oblique muscles, lower eyelid, lacrimal sac, maxillary sinus, and upper lip; anastomoses, branches of ophthalmic, facial, superior labial, transverse facial, and buccal. Synonym: arteria infraorbitalis. (05 Mar 2000) |
| infraorbital canal | A canal running beneath the orbital margin of the maxilla from the infraorbital groove, in the floor of the orbit, to the infraorbital foramen; it transmits the infraorbital artery and nerve. Synonym: canalis infraorbitalis. (05 Mar 2000) |
| infraorbital foramen | The external opening of the infraorbital canal, on the anterior surface of the body of the maxilla. Synonym: foramen infraorbitale. (05 Mar 2000) |
| infraorbital groove | A gradually deepening groove on the orbital surface of the maxilla, which leads to the infraorbital canal. Synonym: sulcus infraorbitalis. (05 Mar 2000) |
| infraorbital nerve | <anatomy, nerve> The continuation of the maxillary nerve after it has entered the orbit, via the infraorbital fissure, traversing the infraorbital canal to reach the face; it supplies the mucosa of the maxillary sinus, the upper incisors, canine and premolars, the upper gums, the inferior eyelid and conjunctiva, part of the nose and the superior lip. Synonym: nervus infraorbitalis. (05 Mar 2000) |
| infraorbital region | The region of the face below the orbit and alongside the nose on each side. Synonym: regio infraorbitalis. (05 Mar 2000) |
| infraorbital suture | An inconstant suture running from the infraorbital foramen to the infraorbital groove. Synonym: sutura infraorbitalis. (05 Mar 2000) |
| anterior margin | The ventral or most forward margin of a structure. Synonym: anterior margin, ventral border. (05 Mar 2000) |
| articular margin | A ring of fibrocartilage attached to the margin of the glenoid cavity of the scapula to increase its depth. Synonym: labrum glenoidale, articular margin, circumferential cartilage, glenoid ligament, glenoidal lip, ligamentum glenoidale. (05 Mar 2000) |
| margin | 1. A border; edge; brink; verge; as, the margin of a river or lake. 2. Specifically: The part of a page at the edge left uncovered in writing or printing. 3. The difference between the cost and the selling price of an article. 4. Something allowed, or reserved, for that which can not be foreseen or known with certainty. 5. Collateral security deposited with a broker to secure him from loss on contracts entered into by him on behalf of his principial, as in the speculative buying and selling of stocks, wheat, etc. Margin draft, that part of a course, as of slates or shingles, which is not covered by the course immediately above it. See Gauge. Synonym: Border, brink, verge, brim, rim. Origin: OE. Margine, margent, L. Margo, ginis. Cf. March a border, Marge. Source: Websters Dictionary (01 Mar 1998) |