| 释义 |
counterstain
coun·ter·stain C0690400 (koun′tər-stān′)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.tr.v. coun·ter·stained, coun·ter·stain·ing, coun·ter·stains To color (a microscopic specimen) with such a stain.counterstain (ˈkaʊntəˌsteɪn) vb1. (Biology) to apply two or more stains in sequence to (a specimen to be examined), each of which colours a different tissue2. (Biology) (tr; usually passive) to apply (one of a series of stains) to a specimen to be examined: haematoxylin is counterstained with eosin. coun•ter•stain (ˈkaʊn tərˌsteɪn)
n. 1. a second stain applied to a microscopic specimen for contrast. v.t. 2. to treat (a microscopic specimen) with a counterstain. v.i. 3. to become counterstained; take a counterstain. [1890–95] counterstain
Past participle: counterstained
Gerund: counterstaining
| Imperative |
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| counterstain | | counterstain |
| Present |
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| I counterstain | | you counterstain | | he/she/it counterstains | | we counterstain | | you counterstain | | they counterstain |
| Preterite |
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| I counterstained | | you counterstained | | he/she/it counterstained | | we counterstained | | you counterstained | | they counterstained |
| Present Continuous |
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| I am counterstaining | | you are counterstaining | | he/she/it is counterstaining | | we are counterstaining | | you are counterstaining | | they are counterstaining |
| Present Perfect |
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| I have counterstained | | you have counterstained | | he/she/it has counterstained | | we have counterstained | | you have counterstained | | they have counterstained |
| Past Continuous |
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| I was counterstaining | | you were counterstaining | | he/she/it was counterstaining | | we were counterstaining | | you were counterstaining | | they were counterstaining |
| Past Perfect |
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| I had counterstained | | you had counterstained | | he/she/it had counterstained | | we had counterstained | | you had counterstained | | they had counterstained |
| Future |
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| I will counterstain | | you will counterstain | | he/she/it will counterstain | | we will counterstain | | you will counterstain | | they will counterstain |
| Future Perfect |
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| I will have counterstained | | you will have counterstained | | he/she/it will have counterstained | | we will have counterstained | | you will have counterstained | | they will have counterstained |
| Future Continuous |
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| I will be counterstaining | | you will be counterstaining | | he/she/it will be counterstaining | | we will be counterstaining | | you will be counterstaining | | they will be counterstaining |
| Present Perfect Continuous |
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| I have been counterstaining | | you have been counterstaining | | he/she/it has been counterstaining | | we have been counterstaining | | you have been counterstaining | | they have been counterstaining |
| Future Perfect Continuous |
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| I will have been counterstaining | | you will have been counterstaining | | he/she/it will have been counterstaining | | we will have been counterstaining | | you will have been counterstaining | | they will have been counterstaining |
| Past Perfect Continuous |
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| I had been counterstaining | | you had been counterstaining | | he/she/it had been counterstaining | | we had been counterstaining | | you had been counterstaining | | they had been counterstaining |
| Conditional |
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| I would counterstain | | you would counterstain | | he/she/it would counterstain | | we would counterstain | | you would counterstain | | they would counterstain |
| Past Conditional |
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| I would have counterstained | | you would have counterstained | | he/she/it would have counterstained | | we would have counterstained | | you would have counterstained | | they would have counterstained |
Thesaurus| Noun | 1. | counterstain - a stain of contrasting color that is used when the principal stain does not show the structure clearlystain - (microscopy) a dye or other coloring material that is used in microscopy to make structures visible |
counterstain
counterstain[′kau̇nt·ər‚stān] (biology) A second stain applied to a biological specimen to color elements other than those demonstrated by the principal stain. counterstain
counterstain [kown´ter-stān] a stain applied to render the effects of another stain more discernible.count·er·stain (kown'ter-stān), A second stain of different color having affinity for tissues, cells, or parts of cells other than those taking the primary stain used to render more distinct the parts taking the first stain.counterstain (koun′tər-stān′)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.tr.v. counter·stained, counter·staining, counter·stains To color (a microscopic specimen) with such a stain.count·er·stain (kown'tĕr-stān) A second stain of a different color, having affinity for tissues, cells, or parts of cells other than those taking the primary stain, used to render more distinct the parts taking the first stain.
Synonym(s): contrase stain. counterstain
Words related to counterstainnoun a stain of contrasting color that is used when the principal stain does not show the structure clearlyRelated Words |