| NEFL | light polypeptide of neurofilament protein |
|---|---|
| NEFM | medium polypeptide of neurofilament protein |
| neg | negative |
| NEGF | neurite growth-promoting factor |
| NEHE | Nurses for Environmental Health Education |
| NEI | National Eye Institute |
| NEISS | National Electronic Injury Surveillance System |
| NEJ | neuroeffector junction |
| NEJM | New England Journal of Medicine |
| NEM | nemaline; N-ethylmaleimide; no evidence of malignancy |