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pho·to·pig·ment (fo″to-pigґmənt) a pigment, such as a retinal pigment, that is unstable in the presence of light.Medical dictionary. 2011.
Photopigment — Photopigments are unstable pigments that undergo a chemical change. The term is generally applied to the non protein chromophore moiety of photosensitive chromoproteins, such as the pigments involved in photosynthesis and photoreception. In… … Wikipedia
photopigment — noun a special pigment found in the rods and cones of the retina • Hypernyms: ↑pigment • Hyponyms: ↑iodopsin, ↑visual purple, ↑rhodopsin, ↑retinal purple * * * photopigment see photo 1 … Useful english dictionary
photopigment — Pigment involved in photosynthesis in plants. Includes chlorophyll, carotenoids and phycobilins … Dictionary of molecular biology
photopigment — noun Any pigment that is unstable in the presence of light; used especially of the chromophore pigments in the rod cells and cone cells of the eye … Wiktionary
photopigment — noun a pigment whose chemical state depends on its degree of illumination, e.g. those in the retina … English new terms dictionary
photopigment — pho·to·pigment … English syllables
photopigment — n.m. Pigment qui capte la lumière … Le dictionnaire des mots absents des autres dictionnaires
photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such … Universalium
Photosensitive ganglion cell — Section of retina: light strikes first the ganglion cell layer, last the rods and cones Photosensitive ganglion cells, also called photosensitive Retinal Ganglion Cells (pRGC), intrinsically photosensitive Retinal Ganglion Cells (ipRGC) or… … Wikipedia
Photoreceptor cell — This article is about cellular photoreceptors. For other types of photoreceptors, see Photoreceptor (disambiguation). Rods and cones redirects here. For the Blue Man Group song, see Rods and Cones (song). Neuron: Photoreceptor Cell … Wikipedia
