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单词 Gram stain
释义
Gram stain
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n

WORD FAMILY
Gram stain
n a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram's solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the gentian violet are Gram-positive and those that do not retain it are Gram-negative
Syn|Hyper
Gram method, Gram's method, Gram's procedure, Gram's stain
staining
(histology) the use of a dye to color specimens for microscopic study
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