[ˈtraisəumi]
三体性：一个在其他方面皆属正常的二倍体细胞，有一型号的染色体多出一个(2n＋1)；三体性13引起三体性13综合征；三体性18引起三体性18综合征；三体性21引起Down氏综合征(先天愚型)。另见syndrome项下- Le Dentu's suture
- Lederberg
- Ledercillin
- leech
- leeching
- Lee's ganglion
- Leeuwenhoekia australiensis
- LEF
- Le Fort fracture
- left-handed
- leg
- Legal's disease,test
- Legg-Calvé-Perthes disease
- Legg's disease
- leghemoglobin
- legionella
- Legionella
- Legionellaceae
- legionellae
- legionellosis
- legume
- legumelin
- legumin
- leguminivorous
- leiasthenia