selective staining

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• Staining — is an auxiliary technique used in microscopy to enhance contrast in the microscopic image.In biochemistry it involves adding a class specific (DNA, proteins, lipids, carbohydrates) dye to a substrate to qualify or quantify the presence of a… …   Wikipedia

• selective stain — a stain that has a special affinity for a certain tissue element, staining it more vividly than, or to the exclusion of, other elements of the same specimen …   Medical dictionary

• Dispersion staining — Contents 1 Dispersion Staining 1.1 Becke Line Dispersion Staining 1.2 Oblique Illumination Dispersion Staining 1.3 Darkfield Illumination Dispersion Staining …   Wikipedia

• Homogeneously staining region — (also HSR) is one type of change in a chromosome s structure which is frequently observed in the nucleus of human cancer cells. In the region of a chromosome where an HSR occurs, a segment of the chromosome, which presumably contains a gene or… …   Wikipedia

• Nissl body — Image of a Nissl stained histological section through the rodent hippocampus showing various classes of neurons …   Wikipedia

• affinity — 1. In chemistry, the force that impels certain atoms to bind to or unite with certain others to form complexes or compounds; chemical attraction. 2. Selective staining of a tissue by a dye or the selective uptake of a dye, chemical, or other s …   Medical dictionary

• Microtome — A microtome used in microscopy. A microtome (from the Greek mikros, meaning small , and temnein, meaning to cut ) is a sectioning instrument that allows for the cutting of extremely thin slices of material, known as sections. Microtomes are an… …   Wikipedia

• cytochemistry — [sīt΄ō kem′is trē] n. the study of the chemical constituents of cells by selective staining of cell parts and by analysis of cellular extracts …   English World dictionary

• 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

• cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …   Universalium

• Methylene blue — Methylene blue …   Wikipedia