耳蜱属：锐缘蜱的一属，耳刺蜱。兔、牛和其他家养动物的耳蜱若虫，可侵犯人的耳朵- 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
- Laennec's catarrh, etc.
- Laetrile