| LAA | left atrial appendage; left atrial area; leukemia-associated antigen; leukocyte ascorbic acid |
|---|---|
| LACN | local area communications network |
| LAN | local area network; long-acting neuroleptic [agent] |
| LHA | lateral hypothalamic area; left hepatic artery |
| LMA | laryngeal mask airway; left mentoanterior [fetal position]; limbic midbrain area; liver cell membran... |