| LBM | lean body mass; loose bowel movement; lung basement membrane |
|---|---|
| LMA | laryngeal mask airway; left mentoanterior [fetal position]; limbic midbrain area; liver cell membran... |
| LMP | large multifunctional protease; last menstrual period; latent membrane potential; left mentoposterio... |
| LPM | lateral pterygoid muscle; liver plasma membrane |
| LYDMA | lymphocyte-detected membrane antigen |