| NAP | nasion, point A, pogonion [convexity or concavity of the facial profile]; nerve action potential; ne... |
|---|---|
| ANCA | Anti-Neutrophil Cytoplasmic Antibody |
| AFN | afunctional neutrophil |
| ANC | absolute neutrophil count; acid neutralization capacity; antigen-neutralizing capacity; Army Nurse C... |
| ANS | acanthion; American Nutrition Society; 8-anilino-1-naphthalene-sulfonic acid; anterior nasal spine; ... |