lambda chart analysis 
Large cell acanthoma 
last common ancestor 
latent class analyses 
latent class analysis 
lateral costal artery 
lateral cricoarytenoid 
lateral cricoarytenoid muscle 
Leber congenital amaurosis 
Leber's congenital amaurosis 
left carotid artery 
left circumflex artery 
left circumflex coronary artery 
left common carotid artery 
left coronary artery 
left main coronary artery 
Lens culinaris 
Lens culinaris agglutinin 
Lens culinaris lectin 
leucocyte common antigen 
leukocyte common antigen 
lithocholate 
lithocholic acid 
Littoral cell angioma 
liver cell adenoma 
liver cell adenomas 
long-chain acylcarnitines 
longitudinal chromatic aberration 
Louisiana Counseling Association 
lucite cone applicator