| PHA | passive hemagglutination [test]; peripheral hyperalimentation; phenylalanine; phytohemagglutinin; ph... |
|---|---|
| PHA-NSP | passive hemagglutination to nonstructural protein |
| PHI | passive hemagglutination inhibition; past history of illness; phosphohexose isomerase; physiological... |
| PHN | paroxysmal noctural hemoglobinuria; passive Heymann nephritis; postherpetic neuralgia; public health... |
| PROM | passive range of motion; premature rupture of fetal membranes; prolonged rupture of fetal membranes;... |
| specific passive immunity | See: acquired immunity. (05 Mar 2000) |
|---|---|
| natural passive immunity | Immunity conferred by the mother on the foetus or newborn. (14 Nov 1997) |
| immunization, passive | Transfer of immunity from immunised to non-immune host by administration of serum antibodies, or transplantation of lymphocytes (adoptive transfer). (12 Dec 1998) |
| euthanasia, passive | The withdrawing or withholding of extraordinary means used to prolong life. (12 Dec 1998) |