美喹多司，甲喹氧：一种抗菌剂- lactosuria
- lactosyl ceramidase
- lactosylceramide
- lactosylceramide galactosyl hydrolase
- lactosyl ceramidosis
- lactotherapy
- lactotoxin
- lactotrope
- lactotroph
- lactotrophin; lactotropin
- lactovegetarian
- lactoylglutathione lyase
- Lactuca
- lactulose
- lacuna
- lacunae
- lacunar
- lacune
- lacunule
- lacus
- Ladd-Franklin theory
- Ladendorff's test
- Ladin's sign
- lae-
- Laelaps