| PPN | Pedunculopontine nucleus |
|---|---|
| PPN | Peripheral parenteral nutrition |
| PPN | pedunculopontine tegmental nucleus |
| PPN | prepacemaker nucleus |
| PPNAD | Primary pigmented nodular adrenocortical disease |
| PPNET | Peripheral primitive neuroectodermal tumor |
| PPNG | Penicillinase producing strains of Neisseria gonorrhoeae |
| PPNG | Penicillinase producing N gonorrhoeae |
| PPNG | Penicillinase producing Neisseria gonorrhoeae |
| PPNG | penicillinase producing |