LCST = - lipoprotein lipase
- learning disability
- learning disorders
- leash
- least
- least splanchnic nerve
- least squares
- leather bottle stomach
- leather-bottle stomach
- LEAV
- Leber
- Leber congenital amaurosis
- Leber congenital amaurosis etc.
- Leber corpuscles
- Leber disease
- Leber hereditary optic atrophy
- Leber hereditary optic neuropathy
- Leber plexus
- Leber's congenital amaurosis
- Leber's optic atrophy
- Lebistes
- Leboyer
- Leboyer method
- Leboyer method (technique)
- Leboyer technique
- LEBV
- LEC
- leche de higuerуn
- lechuguilla
- lechuguilla fever
- lecith(o)-
- lecithal
- lecithid
- lecithin
- lecithin-cholesterol acyltransferase
- lecithin/sphingomyelin ratio
- lecithinase
- lecithin–cholesterol acyltransferase
- lecithin–cholesterol acyltransferase deficiency
- lecithinemia
- lecithoblast