单倍同一性：具有一条染色体上一组紧密连锁基因的相同等位基因；具有同一单倍型的- osteoradionecrosis
- osteorrhagia
- osteorrhaphy
- osteosarcoma
- osteosarcomatous
- osteosclerosis
- osteosclerotic
- osteoscope
- osteoseptum
- Lixaminol
- lixiviation
- lixivium
- Lizars' operation
- L-lactate dehydrogenase (LDH)
- llinium
- L.L.L.
- L-lysine:NAD oxidoreductase
- L-lysine:NAD oxidoreductase deficiency
- L.M.
- L.M.A.
- LMF
- L.M.P.
- L.M.T.
- LNPF
- Loa