| orbita | Synonym: orbit. Origin: L. A wheel-track, fr. Orbis, circle (05 Mar 2000) |
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| orbital | <anatomy> Pertaining to the orbit, which is the bony cavity containing the eyeball. (18 Nov 1997) |
| orbital abscess | A circumscribed collection of pus within the orbit; frequently an extension of purulent infection of the paranasal sinuses, usually the ethmoids. Synonym: retrobulbar abscess. (05 Mar 2000) |
| orbital artery | <anatomy, artery> The medial orbitofrontal branch, the first branch of the pericallosal artery; it supplies the medial half of the inferior surface of the frontal cortex. Synonym: arteria frontobasalis medialis, ramus orbitofrontalis medialis, orbital artery. (05 Mar 2000) |
| orbital axis | The line from the centre of the optic foramen (apex of orbit) extending anteriorly, laterally, and inferiorly to the middle of the orbital opening. (05 Mar 2000) |
| orbital branch of middle meningeal artery | <anatomy, artery> Branch of middle meningeal artery traversing superior orbital fissure and running toward lacrimal gland. See: anastomotic branch of middle meningeal artery to lacrimal artery. Synonym: ramus orbitalis arteriae meningeae mediae. (05 Mar 2000) |
| orbital branch of pterygopalatine ganglion | Branches of pterygopalatine ganglion traversing inferior orbital fissure, distributed in orbit to periorbita and mucosa of ethmoidal and sphenoidal sinuses. Synonym: ramus orbitalis ganglii pterygopalatini. (05 Mar 2000) |
| orbital cavity | 1. <astronomy> The path described by a heavenly body in its periodical revolution around another body; as, the orbit of Jupiter, of the earth, of the moon. 2. An orb or ball. "Roll the lucid orbit of an eye." (Young) 3. <anatomy> The cavity or socket of the skull in which the eye and its appendages are situated. 4. <zoology> The skin which surrounds the eye of a bird. Origin: L. Orbita a track or rut made by a wheel, course, circuit, fr. Orbis a circle: cf. F. Orbite. See Orb. Source: Websters Dictionary (01 Mar 1998) |
| orbital decompression | Removal of a portion of the bony orbit, usually superior (Naffziger operation), lateral (Kronlein operation), or inferior (Ogura operation). (05 Mar 2000) |
| orbital diseases | Diseases of the bony orbit and contents except the eyeball. (12 Dec 1998) |
| orbital eminence of zygomatic bone | A small elevation on the orbital surface of the zygomatic bone, just within the orbital margin, about 1 cm below the zygomaticofrontal suture; it gives attachment to the lateral check ligament, the lateral palpebral ligament, and the suspensory ligament of the eyeball. Synonym: eminentia orbitalis ossis zygomatici, orbital eminence of zygomatic bone, Whitnall's tubercle. (05 Mar 2000) |
| orbital exenteration | Removal of the entire contents of the orbit. (05 Mar 2000) |
| orbital fasciae | The fascial layers in the orbit consisting of periorbita, septum orbitale, fascia muscularis musculorum bulbi, and vagina bulbi. Synonym: fasciae orbitales. (05 Mar 2000) |
| orbital fat-pad | The mass of fat contained in the orbit that contributes to the support of the eyeball. Synonym: corpus adiposum orbitae, fat body of orbit. (05 Mar 2000) |
| orbital fractures | Fractures of the bones in the orbit, which include parts of the frontal, ethmoidal, lacrimal, and sphenoid bones and the maxilla and zygoma. (12 Dec 1998) |
Synonyms : Disease, Orbital, Diseases, Orbital, Orbital Disease
Synonyms : Blow Out Fractures, Blow-Out Fracture, Fracture, Blow-Out, Fracture, Orbital, Fractures, Blow Out, Fractures, Orbital, Orbital Fracture
Synonyms : Implant, Orbital, Implants, Orbital, Orbital Implant
Synonyms : Neoplasm, Orbital, Neoplasms, Orbital, Orbital Neoplasm
| orbital cavity |
eye socket: the bony cavity in the skull containing the eyeball
Ãâó: wordnet.princeton.edu/perl/webwn
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| orbital |
of or relating to an orbit; "orbital revolution"; "orbital velocity"
Ãâó: wordnet.princeton.edu/perl/webwn
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| orbital plane |
(astronomy) the plane on which a body is orbiting
Ãâó: wordnet.princeton.edu/perl/webwn
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| orbitale |
the craniometric point at the lowest point on the lower edge of the orbit
Ãâó: wordnet.princeton.edu/perl/webwn
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| orbital ophthalmoplegia |
ophthalmoplegia due to lesion in the orbit.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| orbita | of or relating to the eye socket |
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| orbita | of or relating to an orbit |
| orbita | the bony cavity in the skull containing the eyeball |
| orbita | motion of an object in an orbit around a fixed point |
| orbita | (astronomy) the plane on which a body is orbiting |
| orbita | the craniometric point at the lowest point on the lower edge of the orbit |
| orbita | motion of an object in an orbit around a fixed point |
| orbita | the craniometric point at the lowest point on the lower edge of the orbit |
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