| counteropening | A second opening made at the dependent part of an abscess or other cavity containing fluid, which is not draining satisfactorily through an opening previously made. Synonym: contra-aperture, counterpuncture. (05 Mar 2000) |
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| counterphobic | 1. Denoting a state of actual preference, on the part of a phobic person, for the very situation of which he is afraid. 2. Opposed to the phobic impulse, as in counterphobic mastery of a feared action by repeated engagement in the action. (05 Mar 2000) |
| counterpulsation | A technique for assisting the circulation by decreasing the afterload of the left ventricle and augmenting the diastolic pressure. It may be achieved by intra-aortic balloon, or by implanting a special pumping device in the chest, or externally by applying a negative pressure to the lower extremities during cardiac systole. (12 Dec 1998) |
| counterpuncture | A second opening made at the dependent part of an abscess or other cavity containing fluid, which is not draining satisfactorily through an opening previously made. Synonym: contra-aperture, counterpuncture. (05 Mar 2000) |
| 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) |
| countertraction | The resistance, or back-pull, made to traction or pulling on a limb; e.g., in the case of traction made on the leg, countertraction may be effected by raising the foot of the bed so that the weight of the body pulls against the weight attached to the limb. Synonym: counterextension. (05 Mar 2000) |
| countertransference | <psychology> The psychiatrist's conscious or unconscious emotional reaction to his patient. (12 Dec 1998) |
| countertransport | The transport of one substance across a membrane, coupled with the simultaneous transport of another substance across the same membrane in the opposite direction. (05 Mar 2000) |