counterstain

counterstain
A second stain of different color, having affinity for tissues, cells, or parts of cells other than those taking the primary stain, used to render more distinct the parts taking the first stain.

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coun·ter·stain -.stān n a stain used to color parts of a microscopy specimen not affected by another stain esp a cytoplasmic stain used to contrast with or enhance a nuclear stain
counterstain vt to stain (a tissue or microscopy specimen) with an additional usu. contrasting color

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coun·ter·stain (kounґtər-stān″) a stain applied to render the effects of another stain more discernible.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Counterstain — Gram positive anthrax bacteria with counterstained white blood cells A counterstain is a stain with color contrasting to the principal stain, making the stained structure more easily visible. An example is the malachite green counterstain to the… …   Wikipedia

  • counterstain — n. /kown teuhr stayn /; v. /kown teuhr stayn /, Histol. n. 1. a second stain of a different color applied to a microscopic specimen and used to color and contrast those parts not retaining the first stain. v.t. 2. to treat (a microscopic… …   Universalium

  • counterstain — coun•ter•stain [[t]ˈkaʊn tərˌsteɪn[/t]] n. 1) lab a second stain applied to a microscopic specimen for contrast 2) lab to treat (a microscopic specimen) with a counterstain 3) lab to become counterstained; take a counterstain • Etymology: 1890–95 …   From formal English to slang

  • counterstain — noun /ˈkaʊntəsteɪn/ (say kowntuhstayn) 1. a stain applied to a microscopic specimen to distinguish even further parts not retaining a previous stain. –verb (t) /kaʊntəˈsteɪn/ (say kowntuh stayn) 2. to treat (a specimen) with a counterstain. –verb …   Australian-English dictionary

  • counterstain — transitive verb Date: 1895 to stain (as a microscopy specimen) so as to color parts (as the cytoplasm of cells) not colored by another stain (as a nuclear stain) • counterstain noun …   New Collegiate Dictionary

  • counterstain — Rather nonspecific stain used in conjunction with another histochemical reagent of greater specificity to provide contrast and reveal more of the general structure of the tissue. Light Green is used as a counterstain in the Mallory procedure, for …   Dictionary of molecular biology

  • counterstain — 1. noun A stain contrasting with the principal stain in color, thus making the stained structure easier to see 2. verb To stain with a counterstain …   Wiktionary

  • counterstain-enhanced fluorescence banding — counterstain enhanced fluorescence banding. = sequential counterstain enhanced fluorescence banding (см.). (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • counterstain — n. second stain applied to a previous stain (on a microscopic specimen) …   English contemporary dictionary

  • counterstain — coun·ter·stain …   English syllables

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