| counterstain |
a stain of contrasting color that is used when the principal stain does not show the structure clearly
Ãâó: wordnet.princeton.edu/perl/webwn
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| countershock |
a high-intensity direct current shock delivered to the heart to interrupt ventricular fibrillation and restore synchronous electrical activity.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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