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counterstain

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.15 sec.
counterstain /coun·ter·stain/ (-stān) a stain applied to render the effects of another stain more discernible.
coun·ter·stain (kountr-stn)
n.
A stain of a contrasting color used to color the components in a microscopic specimen that are not made visible by the principal stain.
counter·stain v.
counterstain,
a second stain added to a previously stained tissue sample to make cellular details more distinct.
counterstain
a stain applied to render the effects of another stain more discernible.


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The solvent bleaches gram-negative bacteria, which microbiologists can then detect using a pink counterstain.
(Anti-) septic strategies; new drugs hold promise for treating ... by Ezzell, Carol / Science News
Gaithersburg, MD, USA) was then applied to the slides, which were incubated and washed as before; Eriochrome Black T counterstain was added to the middle wash.
Scrub typhus, Republic of Palau by Swerdlow, David L. / Emerging Infectious Diseases
Gaithersburg, MD) was then applied to the slides, which were incubated and washed as before, except that eriochrome black Y counterstain was added to the middle wash.
Scrub typhus in the Republic of Palau, Micronesia by O'Leary, Michael / Emerging Infectious Diseases
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