| NEFM | medium polypeptide of neurofilament protein |
|---|---|
| NFM | neurofilament protein, medium polypeptide |
| NNN | Novy-MacNeal-Nicolle [medium] |
| NSM | neurosecretory material; neurosecretory motor neuron; nonantigenic specific mediator; nutrient sporu... |
| NYC | New York City [medium] |