释义 |
DictionarySeesafraninsafranin O
saf·ra·nin O (saf'ră-nin), [C.I. 50240] A mixture of dimethyl- and trimethylphenosafranin chloride, a basic red dye that exhibits orange metachromasia; used in histology as a nuclear stain, in microbiology as a counterstain in the Gram method, and to demonstrate enterochromaffin.safranin, safranin OA histological stain used in microscopy to highlight cell nuclei by counterstaining them red. It is used for many purposes, including the gram staining of body fluid specimens. |