秘鲁乳香属：为温带地区漆树中的一属。热带美洲产S.molle，L.(秘鲁乳香树)(胡椒树)可提供一种美洲洋乳香，可作轻泻剂及芳香剂- osculum
- -ose
- Osgood-Haskins test
- Osgood-Schlatter disease
- -osis
- Osler's disease, nodes, sign, triad
- Osler-Vaquez disease
- Osler-Weber-Rendu disease
- Oslo meal (breakfast)
- osmate
- osmatic
- osmesis
- osmesthesia
- osmic
- osmic acid
- osmicate
- osmics
- osmidrosis
- osmification
- osmiophilic
- osmiophobic
- osmium
- osm(o)-
- osmoceptor
- osmol