| retinasphaltum | <chemical> Retinite. Origin: Gr. Resin + asphalt. Source: Websters Dictionary (01 Mar 1998) |
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| retinectomy | A surgical excision of a piece of the retina. (05 Mar 2000) |
| retinene | <chemical> A carotenoid constituent of visual pigments. It is the oxidised form of retinol which functions as the active component of the visual cycle. It is bound to the protein opsin forming the complex rhodopsin. When stimulated by visible light, the retinal component of the rhodopsin complex undergoes isomerization at the 11-position of the double bond to the cis-form; this is reversed in "dark" reactions to return to the native trans-configuration. Chemical name: Retinal (03 Jul 1999) |
| retinene-1 | <chemical> A carotenoid constituent of visual pigments. It is the oxidised form of retinol which functions as the active component of the visual cycle. It is bound to the protein opsin forming the complex rhodopsin. When stimulated by visible light, the retinal component of the rhodopsin complex undergoes isomerization at the 11-position of the double bond to the cis-form; this is reversed in "dark" reactions to return to the native trans-configuration. Chemical name: Retinal (03 Jul 1999) |
| retinene-2 | 3-Dehydroretinaldehyde;dehydroretinol with -CHO instead of -CH2OH at the terminal carbon of the side chain. Synonym: retinene-2, vitamin A2 aldehyde. (05 Mar 2000) |
| retinerved | <botany> Having reticulated veins. Origin: L. Rete a net + E. Nerve. Source: Websters Dictionary (01 Mar 1998) |
| retineum | <zoology> That part of the eye of an invertebrate which corresponds in function with the retina of a vertebrate. Source: Websters Dictionary (01 Mar 1998) |
| retinic | <chemistry> Of or pertaining to resin; derived from resin; specifically, designating an acid found in certain fossil resins and hydrocarbons. Origin: Gr. Resin. Source: Websters Dictionary (01 Mar 1998) |
| retinite | <chemical> An inflammable mineral resin, usually of a yellowish brown colour, found in roundish masses, sometimes with coal. Origin: Gr. Resin: cf. F. Retinite. Source: Websters Dictionary (01 Mar 1998) |
| retinitis | <ophthalmology> Inflammation of the retina. (05 May 1997) |
| retinitis pigmentosa | <ophthalmology> Disease caused by overactivity of the pigmented retinal epithelial cells, leading to damage and occlusion of photoreceptors and blindness. (18 Nov 1997) |
| retinitis proliferans | <ophthalmology, pathology> A disease of the small blood vessels of the retina of the eye. See: diabetic retinopathy. Origin: Gr. Pathos = disease (09 Oct 1997) |
| retinitis sclopetaria | A severe contusion lesion of the retina, as from a shot pellet or BB. Origin: from sclopetum, a medieval handgun (05 Mar 2000) |
| retinitis syphilitica | Syphilitic retinitis, retinitis often associated with syphilitic choroiditis, especially in congenital syphilis. (05 Mar 2000) |
| retino tectal connection | A problem that has exercised developmental biologists is the way in which nerve fibres from the developing retina are mapped on to the tectum of the brain. There seems to be a good positioning system in operation and a variety of mechanisms probably operate, including control of the fasciculation of fibres in the optic nerve and some specific recognition of the correct target area by the nerve growth cone. (18 Nov 1997) |
Synonyms : Retinal Vein Thrombosis, Occlusion, Retinal Vein, Occlusions, Retinal Vein, Retinal Vein Occlusions, Retinal Vein Thromboses, Thromboses, Retinal Vein, Vein Occlusion, Retinal, Vein Occlusions, Retinal, Vein Thromboses, Retinal, Vein Thrombosis, Retinal
Synonyms : Retinal Blood Vessels, Blood Vessel, Retinal, Blood Vessels, Retinal, Retinal Blood Vessel, Retinal Vessel, Vessel, Retinal, Vessel, Retinal Blood, Vessels, Retinal, Vessels, Retinal Blood
Synonyms : 11-cis-Retinal, 11 cis Retinal, Aldehyde, Vitamin A
Synonyms : Neuroretinitis
Synonyms : Rod Cone Dystrophies, Degeneration, Tapetoretinal, Degenerations, Tapetoretinal, Dystrophies, Rod Cone, Dystrophies, Rod-Cone, Dystrophy, Rod Cone, Dystrophy, Rod-Cone, Pigmentary Retinopathies, Retinopathies, Pigmentary, Retinopathy, Pigmentary
| retinoscopy |
(ret
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| retinosis |
(ret
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| retinal reductase |
(ret
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| retine |
(ret
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| retinochoroidal coloboma |
an absence of retinal and choroidal tissue, usually in the lower fundus, marked by a bright white ectatic zone of exposed sclera extending into and distorting the optic disk. Called also c. of fundus.
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