- outer pigment cells
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
outer pigment cells
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accessory pigment cells — (ARTHROPODA: Insecta) As many as twenty four cells that surround the retinulae of a compound eye; in superposition eyes the pigment granules assume different positions in light and darkness; also known as secondary pigment cells, secondary iris… … Dictionary of invertebrate zoology
Outer plexiform layer — Section of retina. (Outer plexiform layer labeled at right, sixth from the top.) … Wikipedia
Outer nuclear layer — Section of retina. (Outer nuclear layer labeled at right, fourth from the bottom.) … Wikipedia
Outer segment disc shedding — The retina contains two types of photoreceptors – rods and cones. There are about 6 7 million cones that provide color vision to the eye, and they are very concentrated in a central spot in the retina, called the macula. However, the rods are… … Wikipedia
Biological pigment — The Blue Morpho butterfly, native to Central America, derives its distinctive blue coloring from iridescence rather than from pigmentation. Biological pigments, also known simply as pigments or biochromes[1] are substances produced by living… … Wikipedia
Retinal pigment epithelium — Infobox Anatomy Name = Retinal pigment epithelium Latin = p. pigmentosa retinae GraySubject = 225 GrayPage = 1016 Caption = Section of retina. (Pigmented layer labeled at bottom right.) Caption2 = Plan of retinal neurons. (Pigmented layer labeled … Wikipedia
Iris pigment epithelium — Anatomy The iris pigment epithelium (IPE) is a two cell thick layer of cuboidal cells lying behind the iris. Both layers are jet black due to the numerous large melanosomes which pack the cytoplasm of each cell. Towards the central axis, the IPE… … Wikipedia
visual cells — the neuroepithelial photoreceptor portion of the retina, the first neurons of the vertical linkage of the retina, consisting of two kinds of cells: the retinal cones and retinal rods (see under cone and rod). Each rod or cone has an inner, axonal … Medical dictionary
eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… … Universalium
integument — /in teg yeuh meuhnt/, n. 1. a natural covering, as a skin, shell, or rind. 2. any covering, coating, enclosure, etc. [1605 15; < L integumentum a covering. See IN 2, TEGUMENT] Syn. 1. cortex, involucre, involucrum. * * * Covering of the body,… … Universalium
