| eminence of scapha | The prominence on the cranial surface of the auricle corresponding to the scapha. Synonym: eminentia scaphae. (05 Mar 2000) |
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| eminence of triangular fossa of auricle | <anatomy> The prominence on the cranial surface of the auricle corresponding to the triangular fossa. Synonym: eminentia fossae triangularis auricularis, agger perpendicularis, eminentia triangularis. (05 Mar 2000) |
| facial eminence | Prominent portion of the medial eminence, just rostral to the medullary striae in the rhomboidal fossa; it is formed by the internal genu of the facial nerve and the abducens nucleus around which the facial fibres curve. Synonym: colliculus facialis, abducens eminence, eminentia abducentis, eminentia facialis, facial eminence, facial hillock. (05 Mar 2000) |
| ulnar eminence | An eminence smaller than the radial, on the ulnar side of the palmar aspect of the wrist, due to presence of the pisiform bone. Synonym: eminentia carpi ulnaris. (05 Mar 2000) |
| forebrain eminence | The unpaired embryonic prominence between the medial nasal elevations, which eventually merges with them to contribute to the bridge of the nose and the underlying nasal septum. Synonym: forebrain eminence, forebrain prominence, frontonasal primordium, frontonasal process. (05 Mar 2000) |
| frontal eminence | The most prominent portion of the frontal bone on either side. Synonym: tuber frontale, eminentia frontalis, frontal tuber. (05 Mar 2000) |
| bilateral medial orbital ecchymoses | <clinical sign, ophthalmology> The appearance of the eyes produced by subconjunctival haemorrhage and/or periorbital ecchymosis. Synonym: bilateral medial orbital ecchymoses. (21 Jun 2000) |
| cephalo-orbital index | The ratio of the cubic content of the two orbits to that of the cranial cavity multiplied by 100. (05 Mar 2000) |
| granuloma, plasma cell, orbital | A distinctive, chronic inflammatory reaction in the orbital tissues of the eye, of unknown aetiology, that may closely resemble a neoplasm and often becomes bilateral. Symptoms include exophthalmos and congestion of the lids with oedema. When limitation of ocular motility also occurs, it is sometimes called orbital myositis. (12 Dec 1998) |
| spheno-orbital suture | Articulation between the orbital process of the palatine bone and the outer surface of the body of the sphenoid. Synonym: sutura spheno-orbitalis. (05 Mar 2000) |
| superior orbital fissure | A cleft between the greater and the lesser wings of the sphenoid establishing a channel of communication between the middle cranial fossa and the orbit, through which pass the oculomotor and trochlear nerves, the ophthalmic division of the trigeminal nerve, the abducens nerve, and the ophthalmic veins. Synonym: fissura orbitalis superior, foramen lacerum anterius, sphenoidal fissure. (05 Mar 2000) |
| inferior orbital fissure | A cleft between the greater wing of the sphenoid and the orbital plate of the maxilla, through which pass the maxillary division and the orbital branch of the trigeminal nerve, fibres from the pterygopalatine (Meckel's) ganglion, and the infraorbital vessels. Synonym: fissura orbitalis inferior, sphenomaxillary fissure. (05 Mar 2000) |
| 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) |