亚乙酸，甲酰四氢叶酸：一种叶酸衍生物，为柠胶明串珠菌(Leuconostoc citrovorum)生长所必需。需矫治叶酸毒性作用时，其钙盐(leucovorin calcium〔USP〕)可用作解毒剂，作为叶酸拮抗药；也用于治疗叶酸缺乏所致巨幼红细胞性贫血- lithotrite
- lithotrity
- lithotroph
- lithous
- lithoxiduria
- lithuresis
- lithureteria
- lithuria
- litmocidin
- litmus
- Litomosoides carinii
- litre
- Litten's diaphragm phenomenon(sign)
- litter
- Little's area
- Little's disease
- Littre's crypts, glands, hernia, operation
- littritis
- Litzmann's obliquity
- livedo
- livedoid
- liver
- liver phosphorylase
- liver phosphorylase deficiency
- liver phosphorylase kinase