毛片目：叶足纲(Lobosia)壳叶亚纲(Testacealobosia)中的阿米巴样原虫，特点为有纤维鞘构成的壳，含石灰质的针刺和多个孔口，锥形短小伪足即由此伸出- lactofarinaceous
- lactoferrin
- lactoflavin
- lactogen
- lactogenesis
- lactogenic
- lactoglobulin
- lactometer
- lactone
- lacto-ovovegetarian
- lactophenin
- lactophosphate
- lactoprotein
- lactorrhea
- lactosazone
- lactoscope
- lactose
- lactoside
- lactosuria
- lactosyl ceramidase
- lactosylceramide
- lactosylceramide galactosyl hydrolase
- lactosyl ceramidosis
- lactotherapy
- lactotoxin