| NK | Commission on [Anatomical] Nomenclature [Ger. Nomenklatur Kommission]; natural killer [cell]; neurokinin; not known |
|---|---|
| NK cell | Natural Killer cell |
| NK2 | neurokinin 2 |
| NKA | Neuro-Kinin A |
| NKA | neurokinin A; no known allergies |
| nkat | nanokatal |
| NKB | neurokinin B |
| NKC | nonketotic coma |
| NKCA | natural killer cell activity |
| NKCF | natural killer cytotoxic factor |