| countershock | An electric shock applied to the heart to terminate a disturbance of its rhythm. (05 Mar 2000) |
|---|---|
| counterstain | <technique> Rather non-specific stain used in conjunction with another histochemical reagent of greater specificity to provide contrast and reveal more of the general structure of the tissue. Light Green is used as a counterstain in the Mallory procedure, for example. (18 Nov 1997) |
| counterstimulation | <procedure> Application of moderate to intense sensory stimulation, such as with cold, heat, rubbing, pressure or electrical current, so as to decrease perception of pain at the same or a distant site. (16 Dec 1997) |