- contrast stain
- material used to color an unstained portion of a tissue after another portion has been stained with another dye.
Medical dictionary. 2011.
contrast stain
Look at other dictionaries:
stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… … Medical dictionary
stain — 1) n. a dye used to colour tissues and other specimens for microscopical examination. In an acid stain the colour is carried by an acid radical and the stain is taken up by parts of the specimen having a basic (alkaline) reaction. In a basic… … The new mediacal dictionary
stain — [[t]steɪn[/t]] n. 1) a discoloration produced by foreign matter having penetrated into a material 2) a patch of color different from that of the basic color, as on the body of an animal 3) a cause of reproach; stigma: a stain on one s… … From formal English to slang
stain — stainable, adj. stainability, stainableness, n. stainably, adv. stainer, n. /stayn/, n. 1. a discoloration produced by foreign matter having penetrated into or chemically reacted with a material; a spot not easily removed. 2. a natural spot or… … Universalium
stain — /steɪn / (say stayn) noun 1. a semipermanent discolouration produced by foreign matter; a spot. 2. a natural spot or patch of different colour, as on the body of an animal. 3. a cause of reproach; blemish: a stain on one s reputation. 4. a… …
Periodic acid-Schiff stain — Periodic acid Periodic acid Schiff (PAS) is a staining method used to detect glycogen and other polysaccharides in tissues. The reaction of periodic acid oxidizes the diol functional groups in glucose and other sugars, creating aldehydes that… … Wikipedia
Краситель, Окрашивание (Stain) — 1. Краситель, используемый для окрашивания тканей и других образцов в процессе их микроскопического исследования. В кислых красителях (acid stain) необходимый цвет достигается путем действия на вещество кислотного радикала, причем окрашиваются те … Медицинские термины
tumor stain — an area of increased density in a radiograph due to collection of contrast material in distorted and abnormal vessels, prominent in the capillary and venous phases of arteriography, and presumed to indicate neoplasm … Medical dictionary
benzopurpurine — ben·zo·pur·pu·rine (benґzo purґpu rin) any of a series of red azo dyes, used especially as a contrast stain with hematoxylin and other blue stains … Medical dictionary
КРАСИТЕЛЬ, ОКРАШИВАНИЕ — (stain) 1. Краситель, используемый для окрашивания тканей и других образцов в процессе их микроскопического исследования. В кислых красителях (acid stain) необходимый цвет достигается путем действия на вещество кислотного радикала, причем… … Толковый словарь по медицине
