| pneumotomy | Incision of the lung. Synonym: pneumotomy. Origin: G. Pneumon, lung, + tome, incision (05 Mar 2000) |
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| pneumoventricle | Air in the ventricular system of the brain; occurs as a complication of a fracture of the skull which passes through the accessory nasal sinuses. (05 Mar 2000) |
| pneumovirinae | A subfamily of paramyxoviridae containing one genus: pneumovirus. (12 Dec 1998) |
| pneumovirus | A genus of the family paramyxoviridae (subfamily pneumovirinae) where the human and bovine virions have neither haemagglutinin nor neuraminidase activity. Pneumonia virus of mice has haemagglutinin activity. Respiratory syncytial virus, human is the type species. (12 Dec 1998) |
| pneumovirus infections | Infections with viruses of the genus pneumovirus, family paramyxoviridae. This includes respiratory syncytial virus infections, an important cause of respiratory disease in humans. (12 Dec 1998) |
| pneusis | Synonym: breathing. Origin: G. Pneo, to breathe (05 Mar 2000) |
| pnigalion | <medicine> Nightmare. Origin: NL, fr. Gr. Nightmare, fr. To throttle. Source: Websters Dictionary (01 Mar 1998) |
| pnigophobia | <psychology> Morbid fear of choking. Origin: G. Pnigos, choking, + phobos, fear (05 Mar 2000) |
| PNMT | <abbreviation> Phenylethanolamine N-methyltransferase. (05 Mar 2000) |
| pnology | See Penology. Source: Websters Dictionary (01 Mar 1998) |
| PNP | <abbreviation> Psychogenic nocturnal polydipsia. (05 Mar 2000) |
| PNPB | <abbreviation> Positive-negative pressure breathing. (05 Mar 2000) |