| NTC | neotetrazolium chloride |
|---|---|
| NTCC | National Type Culture Collection |
| NTCP | noninvasive transcutaneous cardiac pacing; normal tissue complication probability |
| NTD | neural tube defect; nitroblue tetrazolium dye; noise tone difference; 5'-nucleotidase |
| NTE | neuropathy target esterase; neurotoxic esterase; not to exceed |
| NTF | neurotrophic factor; normal throat flora |
| NTFOM | normal tissue complication-based figure-of-merit |
| NTG | nitroglycerin; nitrosoguanidine; nontoxic goiter; normal triglyceridemia |
| NTGO | nitroglycerin ointment |
| Nth | normothermia |