| NPO/HS | nothing by mouth at bedtime [Lat. nulla per os hora somni] |
|---|---|
| PO | by mouth, orally [Lat. per os]; parieto-occipital; parietal operculum; period of onset; perioperativ... |
| po | by mouth [Lat. per os] |
| TM | technology management; tectorial membrane; temperature by mouth; temporalis muscle; temporomandibula... |