| t | Greek lower case letter tau; life [of radioisotope]; relaxation time; shear stress; spectral transmi... |
|---|---|
| VC | color vision; variance cardiography; vascular changes; vasoconstriction; vena cava; venereal case; v... |
| APR | abdominoperineal resection; absolute proximal reabsorption; acute phase reaction or reactant; amebic... |
| ARR | aortic root replacement |
| AVR | accelerated ventricular rhythm; antiviral regulator; aortic valve replacement |