| NP | nasopharynx, nasopharyngeal; near point; necrotizing pancreatitis; neonatal-perinatal; neuritic plag... |
|---|---|
| NPD | narcissistic personality disorder; natriuretic plasma dialysate; negative pressure device; Niemann-P... |
| NPN | nonprotein nitrogen |
| PN2 | partial pressure of nitrogen |
| PNU | protein nitrogen unit |