| PEDF | pigment epithelium-derived factor |
|---|---|
| PG | paregoric; parotid gland; pentagastrin; pepsinogen; peptidoglycan; Pharmacopoeia Germanica; phosphat... |
| pigm | pigment, pigmented |
| RPE | rate of perceived exertion; recurrent pulmonary embolism; retinal pigment epithelium; ribulose 5-pho... |
| BaEV | baboon endogenous virus |
| pigment | 1. Any material from which a dye, a paint, or the like, may be prepared; particularly, the refined and purified colouring matter ready for mixing with an appropriate vehicle. 2. <physiology> Any one of the coloured substances found in animal and vegetable tissues and fluids, as bilirubin, urobilin, chlorophyll, etc. 3. Wine flavored with species and honey. <physiology> Pigment cell, a small cell containing colouring matter, as the pigmented epithelial cells of the choroid and iris, or the pigmented connective tissue cells in the skin of fishes, reptiles, etc. Origin: L. Pigmentum, fr. The root of pingere to paint: cf. F. Pigment. See Paint, and cf. Pimento, Orpiment. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| pigment cell | Cells that contain pigment: See: melanocytes, chromatophores. (18 Nov 1997) |
| pigment cell of skin | Special cells in the skin and the eye that synthesise melanin pigments. Clusters of melanocytes often appear on the skin as moles. In fish and reptiles, the pigments are stored in melanosomes (chromatophores) that can be redistributed in the cytoplasm to change pigment patterns. Synonym: melanodendrocyte. Origin: melano-+ G. + kytos, a hollow (cell) (29 Sep 1997) |
| pigment cells of iris | Cell's of the stromal layer of the iris; in dark eyes (but not in blue) they contain granules of pigment. (05 Mar 2000) |
| pigment cells of retina | Cell's in the outermost layer of the retina that contain pigment granules. (05 Mar 2000) |
| pigment cirrhosis | Cirrhosis of the liver associated with dark brown discoloration seen in haemochromatosis. (05 Mar 2000) |
| pigment epitheliopathy | An acute disease manifested by rapid loss of vision, and multifocal, cream-coloured placoid lesions of the retinal pigment epithelium; resolves with restoration of vision. (05 Mar 2000) |
| pigment epithelium | Epithelium composed of cells containing granules of pigment or melanin, as in the retinal or iris pigment layer. (05 Mar 2000) |
| pigment epithelium of eye | Epithelium in the retina, ciliary body, and iris containing pigment granules. (12 Dec 1998) |
| pigment epithelium of optic retina | pigmented part of retina |
| pigment induration of the lung | A condition characterised by firmness of the lungs, and a brown colour associated with haemosiderin-pigmented macrophages in alveoli, consequent upon long-continued congestion due to heart disease. Synonym: pigment induration of the lung. (05 Mar 2000) |
| wear-and-tear pigment | Lipofuscin that accumulates in aging or atrophic cells as a residue of lysosomal digestion. (05 Mar 2000) |
| haematogenous pigment | A pigment derived from the haemoglobin of the red blood cells. (05 Mar 2000) |
| hepatogenous pigment | Bile pigment derived from the destruction of haemoglobin in the liver. (05 Mar 2000) |
| natural pigment | A naturally occurring coloured compound; absorbs light in the visible range of the electromagnetic spectrum. Compare: structural colour. Synonym: biochrome. (05 Mar 2000) |