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retinal
▪ I. retinal, n. Biochem. (ˈrɛtɪnæl) [f. retina + -al2.] = retinene; usu. spec. vitamin A1 aldehyde. Also retiˈnaldehyde in the same sense.1944 Morton & Goodwin in Nature 1 Apr. 406/1 The elegance and accuracy of Wald's work on retinal extracts makes us hesitate to suggest that the term retinene is ...
Oxford English Dictionary
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Retinal
Retinal is interconvertible with retinol, the transport and storage form of vitamin A:
retinal + NADPH + H+ retinol + NADP+
retinol + NAD+ retinal + In these molecules, light causes the all-trans-retinal to become 13-cis retinal, which then cycles back to all-trans-retinal in the dark state.
wikipedia.org
en.wikipedia.org
Retinal migraine
Retinal migraines are a type of migraine that affect the eyes. They can cause temporary vision loss in 1 eye and other eye symptoms.
www.nhs.uk
Retinal Detachment
Nov 15, 2023 — Am I at risk for retinal detachment? · Diabetic retinopathy (a condition in people with diabetes that affects blood vessels in the retina) ...
www.nei.nih.gov
Inherited Retinal Diseases - Prevent Blindness
Inherited retinal diseases—or IRDs—are a group of diseases that can cause severe vision loss or even blindness. Each IRD is caused by at least one gene that is not working as it should. IRDs can affect individuals of all ages, can progress at different rates, and are rare. However, many are degenerative, which means that the symptoms of the ...
preventblindness.org
Retinal Tears - Patients - The American Society of Retina ... - ASRS
A related entity are retinal holes. The term retinal tears and holes may be used interchangeably by some retina specialists. Retinal tears develop when the vitreous pulls on the retina while retinal holes develop due to progressive thinning of the retina. Retinal holes are typically smaller and have a lower risk for causing a retinal detachment.
www.asrs.org
Branch Retinal Vein Occlusion - EyeWiki
H34.839 Branch retinal vein occlusion, unspecified eye; The first case of BRVO was described by Richard Liebreich in 1855. Liebreich was Helmoholtz's assistant in 1851 when he invented the ophthalmoscope in Konigsberg. He completed his medical studies in Halle in 1853 and then joined von Graefe's Clinic to become his assistant in 1854.
eyewiki.org
Central retinal artery
The central retinal artery (retinal artery) branches off the ophthalmic artery, running inferior to the optic nerve within its dural sheath to the eyeball The central retinal artery is approximately 160 micrometres in diameter.
wikipedia.org
en.wikipedia.org
Branch Retinal Vein Occlusion - Patients - The American Society of ...
Branch Retinal Vein Occlusion. Retinal vein occlusions occur when there is a blockage of veins carrying blood with needed oxygen and nutrients away from the nerve cells in the retina. A blockage in the retina's main vein is referred to as a central retinal vein occlusion (CRVO), while a blockage in a smaller vein is called a branch retinal ...
www.asrs.org
Does retinal detachment happen more frequently at night? My understanding and experience is that during the night photoreceptors are less tightly coupled to the retinal pigment epithelium. Does this make it more likel...
In fact, retinal detachment could happen at anytime of the day.
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retinal - Wiktionary, the free dictionary
Nov 17, 2023retinal ( countable and uncountable, plural retinals) ( biochemistry, organic chemistry) A yellow to orange aldehyde derived from vitamin A that is formed from rhodopsin by the action of light and in combination with proteins forms the visual pigments of the retinal rods and cones . Synonyms: retinaldehyde, retinene.
en.wiktionary.org
"Retinal" Chinesisch Übersetzung & Zeichen
Retinal - Übersetzung auf chinesisch: "Retinal" chinesisches Zeichen und Bedeutung finden
chinanetz.info
retinal, retinene in Chinese - retinal, retinene meaning in Chinese ...
retinal, retinene in Chinese : 视黄醛 …. click for more detailed Chinese translation, meaning, pronunciation and example sentences.
eng.ichacha.net
Category:Retinal - Wikimedia Commons
Media in category "Retinal" The following 41 files are in this category, out of 41 total.
commons.wikimedia.org