counterstained
/ˈkaʊntərˌsteɪnd/
adjective
- Treated with a secondary stain to improve contrast in microscopy.
- The counterstained slide revealed the structure of the cell membrane.
- A counterstained sample is easier to analyze under the microscope.
- The lab stored the counterstained tissues in a cool, dark place.
verb
- Past tense of counterstain; applied a secondary stain to a specimen.
- She counterstained the bacteria to distinguish them from the background.
- He counterstained the tissue with a blue dye to highlight the nuclei.
- The technician counterstained the sample after the primary dye dried.