胶树脂：从各种树木渗出的凝固性树汁，胶树脂系由溶于水而不溶于酒精的要素成分结合可溶于酒精而不溶于水的挥发性油或树脂构成，它包括阿摩尼亚脂、藤黄、没药树脂和墨牵牛子脂等成分- Oliver's sign
- Oliver's test
- olivifugal
- olivipetal
- olivopontocerebellar
- Ollier's disease,law,layer
- Ollier-Thiersch graft
- Ol. oliv
- olophonia
- O.L.P.
- Olpitrichum
- Olshausen's operation
- Olshevsky tube
- O.L.T.
- o. m.
- -oma
- omacephalus
- omagra
- omalgia
- omarthritis
- omasitis
- omasum
- Ombredanne's operation
- omega
- omeire