| MEC | median effective concentration; middle ear canal; middle ear cell; minimum effective concentration |
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| MED | median erythrocyte diameter; medical, medication, medicine; Medical Entities Dictionary; minimum eff... |
| med | medial; median; medication; medicine, medical; medium |
| MLD | manual lymph drainage; median lethal dose; metachromatic leukodystrophy; minimal lesion disease; min... |
| MLD50 | median lethal dose |
| raccoon eye | <clinical sign, ophthalmology> The appearance of the eyes produced by subconjunctival haemorrhage and/or periorbital ecchymosis. Synonym: bilateral medial orbital ecchymoses. (21 Jun 2000) |
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| vascular layer of choroid coat of eye | <anatomy> The outer portion of the choroid of the eye containing the largest blood vessels. Synonym: lamina vasculosa choroideae, Haller's vascular tissue, uvaeformis, vascular layer of choroid coat of eye, vascular layer. (05 Mar 2000) |
| vascular tunic of eye | The vascular, pigmentary, or middle coat of the eye, comprising the choroid, ciliary body, and iris. Synonym: tunica vasculosa bulbi, Haller's tunica vasculosa, tunica vasculosa oculi, uvea, uveal tract. (05 Mar 2000) |
| rapid eye movements | Symmetrical quick scanning movement's of the eyes occurring many times during sleep in clusters for 5 to 60 minutes; associated with dreaming. (05 Mar 2000) |
| rapid eye movement sleep | REM sleep, that state of deep sleep in which rapid eye movements, alert EEG pattern, and dreaming occur; several central and autonomic functions are distinctive during this state. (05 Mar 2000) |
| Manson's eye worm | A widely distributed spiruroid nematode parasite found under the nictitating membrane in the eye of turkeys, chickens, peafowl, quail, and grouse; larvae develop to the infective stage in cockroaches. Synonym: Manson's eye worm. (05 Mar 2000) |
| parietal eye | A non-image-forming, photoreceptive eye in or near the median line in certain crustacea and lower vertebrates; homologue of pineal gland in higher forms. Synonym: epiphysial eye, parietal eye. (05 Mar 2000) |
| master eye | The eye that is customarily used for monocular tasks. Synonym: master eye. (05 Mar 2000) |
| reduced eye | A simplified design of the ocular optical system, represented as having a single refracting surface and a uniform index of refraction; a model based on this concept is used in retinoscopy and ophthalmoscopy. (05 Mar 2000) |
| cat's-eye pupil | A distorted, elongated pupil; usually due to anterior segment anomaly. (05 Mar 2000) |
| cat's-eye syndrome | <syndrome> Iris colobomas (resembling the vertical pupils of a cat) and anal atresia, associated with an additional acrocentric chromosome; other malformations and mental retardation may be present. Synonym: Schmid-Fraccaro syndrome. (05 Mar 2000) |
| globe of eye | The eye proper without the appendages. Synonym: bulbus oculi, bulb of eye, globe of eye. (05 Mar 2000) |
| medial angle of eye | The angle formed by the union of the upper and lower eyelids medially. Synonym: angulus oculi medialis, angulus oculi nasalis, internal canthus, medial canthus. (05 Mar 2000) |
| vitreous chamber of eye | The large space between the lens and the retina; it is filled with the vitreous body. Synonym: camera vitrea bulbi, vitreous camera, vitreous chamber of eye. (05 Mar 2000) |
| goggle-eye | <zoology> One of two or more species of American fresh water fishes of the family Centrarchidae, especially. Chaenobryttus antistius, of Lake Michigan and adjacent waters, and Ambloplites rupestris, of the Great Lakes and Mississippi Valley; so called from their prominent eyes. The goggler. Source: Websters Dictionary (01 Mar 1998) |