| NPO | Nulli(Non) Per Os; Nothing by Mouth; ±Ý½Ä |
|---|---|
| NAD | neutrophil actin dysfunction; new antigenic determinant; nicotinamide adenine dinucleotide; nicotini... |
| NBM | no bowel movement; normal bone marrow; normal bowel movement; nothing by mouth |
| NPM | nothing per mouth |
| NPO | nothing by mouth [Lat. nulla per os]; nucleus preopticus |