| anti-tac | Monoclonal antibody that recognises a drain of the IL-2 receptor. (05 Mar 2000) |
|---|---|
| tac | A kind of customary payment by a tenant; a word used in old records. Origin: Cf. Tack, 4. Source: Websters Dictionary (01 Mar 1998) |
| Tac antigen | An antigenic determinant of the human interleukin 2 receptor that is identified by a murine monoclonal antibody, anti-Tac. Binding of this antigen prevents the proliferation of T-cells, which is normally stimulated by binding interleukin-2. (05 Mar 2000) |
| tic-tac rhythm | A condition in which the cadence of the heart sounds resembles that of the foetus, the first and second sounds becoming alike and evenly spaced; a sign of serious myocardial disease. Synonym: pendulum rhythm, tic-tac rhythm, tic-tac sounds. Origin: embryo-+ G. Kardia, heart (05 Mar 2000) |
| tic-tac sounds | A condition in which the cadence of the heart sounds resembles that of the foetus, the first and second sounds becoming alike and evenly spaced; a sign of serious myocardial disease. Synonym: pendulum rhythm, tic-tac rhythm, tic-tac sounds. Origin: embryo-+ G. Kardia, heart (05 Mar 2000) |