| HTLA | high-titer, low acidity; human T-lymphocyte antigen |
|---|---|
| IEL | internal elastic lamina; intraepithelial lymphocyte |
| LA | lactic acid; large amount; laser angioplasty; late abortion; late antigen; latex agglutination; left... |
| LAD | lactic acid dehydrogenase; left anterior descending [artery]; left axis deviation; leukocyte adhesio... |
| LAF | laminar air flow; Latin American female; leukocyte-activating factor; lymphocyte-activating factor |