| CNA | calcium nutrient agar; Canadian Nurses Association; certified nursing assistant |
|---|---|
| NB | nail bed; neuro-Behc;cet [syndrome]; neuroblastoma; neurometric battery; newborn; nitrous oxide-barb... |
| NGA | nutrient gelatin agar |
| NSM | neurosecretory material; neurosecretory motor neuron; nonantigenic specific mediator; nutrient sporu... |
| TNA | total nutrient admixture |