基因毒性的：损害DNA的，属于已知损伤DNA并从而引致突变或癌症的动因的(如辐射及化学物质)- loculi
- Loculoascomycetidae
- loculus
- locum
- locus
- lodoxamide tromethamine
- Loeb's deciduoma, reaction
- Loefflerella
- loempe
- Loevit's cell
- Loewi's test(reaction, symptom)
- logadectomy
- logaditis
- logagnosia
- logagraphia
- logamnesia
- logaphasia
- logasthenia
- logo-
- logoclonia
- logogram
- logoklony
- logokophosis
- logomania
- logopedia