| LBNP | lower body negative pressure |
|---|---|
| LBW | lean body weight; low birth weight |
| LBWR | lung-body weight ratio |
| LCL | Levinthal-Coles-Lillie [body]; lower confidence limit; lower control limit; lymphoblastoid cell line... |
| LGB | Landry-Guillain-Barre [syndrome]; lateral geniculate body |