| NA | 1) Narcotic Anonymous 2) Nomina Anatomica; Anatomic Nomenclature; 해부학 명명법 |
|---|---|
| NA | Avogadro constant or number; nalidixic acid; Narcotics Anonymous; network administrator; neuraminidase; neurologic age; neutralizing antibody; neutrophil antibody; nicotinic acid; Nomina Anatomica; nonadherent; noradrenalin; not admitted; not applicable; not available; nuclear antibody; nucleic acid; nucleus ambiguus; numerical aperture; nurse's aide; nursing assistant; nursing auxiliary |
| Na | Avogadro number; sodium [Lat. natrium] |
| nA | nanoampere |
| Na+ | Sodium; Electrolyte |
| Na,K-ATPase | sodium-potassium adenosine triphosphatase |
| NAA | N-acetyl aspartate; naphthaleneacetic acid; neutral amino acid; neutron activation analysis; neutrophil aggregation activity; nicotinic acid amide; no apparent abnormalities |
| NAA/Cr | N-acetyl aspartate/creatine [ratio] |
| NAACLS | National Accrediting Agency for Clinical Laboratory Sciences |
| NAACOG | Nurses Association of the American College of Obstetricians and Gynecologists |