单词 | counterstain |
释义 | 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 specimen) with a counterstain. v.i. 3. to become counterstained; take a counterstain. [1890-95; COUNTER- + STAIN] |
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