L
- Lactoza
- Laringita
- Letargie
- Leucemie
- Leucocite
- Leucopenie
- Leucoplazie
- Leucotriene
- Leziune
- Libido
- Lichid sinovial
- Ligament
- Limfa
- Limfedem
- Limfocite
- Limfocitoza
- Lipide
- Lipofuscina
- Lipogeneza
- Lipooxigenaza
- Lipoproteine
- Liposolubil
- Lipotimie (lesin)
- Litiaza biliara (calculi biliari)
- Litiaza renala
- Lizozim
- Lombalgie
- Lupus vulgaris
- Luxatie
- Lyme (boala)