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deficiency of vitamin A causes a deficit in the pigment needed by rod cells. Consequently, fewer rod cells are able to sufficiently respond in darker...14 KB (1,755 words) - 12:59, 6 November 2023
Photoreceptor cell (redirect from Rod photoreceptor)The membranous photoreceptor protein opsin contains a pigment molecule called retinal. In rod cells, these together are called rhodopsin. In cone cells...26 KB (2,933 words) - 10:29, 14 May 2024
The pigmented layer of retina or retinal pigment epithelium (RPE) is the pigmented cell layer just outside the neurosensory retina that nourishes retinal...9 KB (1,181 words) - 23:04, 9 May 2024
Retina (redirect from Retinal pigments)pigmented epithelial cells. The primary light-sensing cells in the retina are the photoreceptor cells, which are of two types: rods and cones. Rods function...84 KB (9,293 words) - 09:08, 8 April 2024
Cone dystrophy (redirect from Rod–cone dystrophy)the outer nuclear layer of cones and rods had disappeared completely, whereas the RPE showed pronounced pigment changes. There was also atrophy of the...11 KB (1,318 words) - 08:41, 2 April 2024- Progressive retinal atrophy (redirect from Retinal pigment epithelial dystrophy)different disease from PRA involving the retinal pigment epithelium (RPE), and is also known as retinal pigment epithelial dystrophy (RPED). Commonly affected...12 KB (1,592 words) - 03:05, 3 December 2023
Albinism (redirect from Albinism, minimal pigment type)that are not absorbed by the pigment, but instead are reflected. Biological pigments include plant pigments and flower pigments. Animals can appear coloured...73 KB (8,237 words) - 17:23, 14 May 2024
1906 – April 12, 1997) was an American scientist and activist who studied pigments in the retina. He won a share of the 1967 Nobel Prize in Physiology or...16 KB (1,507 words) - 06:26, 15 February 2024
the retinal pigment epithelium fails to phagocytose the outer rod segment discs that have been shed, leading to an accumulation of outer rod segment debris...63 KB (6,401 words) - 15:39, 9 May 2024- Scotopic vision (redirect from Rod cell vision)This is a red pigment seen at the back of the eye in animals that have a white background to their eye called Tapetum lucidum. The pigment is not noticeable...11 KB (1,208 words) - 11:56, 26 April 2024
Vertebrate visual opsin (section Rod opsins)3723071 PDF Bowmaker, J K; Dartnall, H J (1 January 1980). "Visual pigments of rods and cones in a human retina". The Journal of Physiology. 298 (1): 501–511...10 KB (1,042 words) - 16:05, 2 May 2024
normally have only two cone pigments (and therefore two opponent channels), have been engineered to express a third cone pigment, and appear to demonstrate...24 KB (2,684 words) - 14:02, 13 April 2024
Primary color (redirect from Primary pigments)blue rays of light, the fact remains that yellow pigment mixed with the blue pigment produces green pigment. The widespread adoption of teaching of RYB as...84 KB (9,821 words) - 04:26, 29 May 2024
Monochromacy (redirect from Rod monochromat)scotopic vision is monochromatic, since there is typically only one class of rod cell. However, the presence of multiple cone classes contributing to photopic...12 KB (1,452 words) - 20:27, 5 February 2024
Simple eye in invertebrates (redirect from Pigment pit)A simple eye or ocellus (sometimes called a pigment pit) refers to a form of eye or an optical arrangement composed of a single lens without an elaborate...22 KB (2,653 words) - 19:47, 1 May 2024
Rød pølse (listen, "red sausage") is a type of brightly red, boiled pork sausage very common in Denmark. Since hot dog stands are ubiquitous in Denmark...4 KB (424 words) - 19:33, 29 February 2024- Opsin (redirect from Visual pigment)(September 1997). "Peropsin, a novel visual pigment-like protein located in the apical microvilli of the retinal pigment epithelium". Proceedings of the National...83 KB (8,995 words) - 09:17, 2 April 2024
- Photopigment (category Pigments)the retinal rods and cones of vertebrates that are responsible for visual perception, but also melanopsin and others. Biological pigment Epstein, R.J...3 KB (328 words) - 02:33, 16 July 2021
- Zhihengliuella alba is a Gram-positive, non-motile, white-pigmented, short rod actinobacterium. Tang, S.-K.; Wang, Y.; Chen, Y.; Lou, K.; Cao, L.-L.; Xu...2 KB (153 words) - 18:14, 17 April 2024
the pigments. In cones, these disks are attached to the outer membrane, whereas they are pinched off and exist separately in rods. Neither rods nor cones...16 KB (1,938 words) - 15:11, 29 April 2024
- little rods of intensely black pigment. Later in the life of the parasite a peculiar thing happens: all these little specks of black pigment concentrate
- produce high protein concentrates containing little or none of the poisonous pigment gossypol. All of the processes use a variety of chemical solvents... to
- is the sensitivity hypothesis. A possible formulation could be: "Rod visual pigment of a given species are spectrally placed to maximize photon capture