| L/R | left-to-right [ratio] |
|---|---|
| L/S | lactase/sucrase [ratio]; lecithin/ sphingomyelin [ratio]; lipid/saccharide [ratio]; longitudinal section; lumbosacral |
| L/S ratio | Lecithin/Sphingomyelin > 2이나 IRDS가 오는 경우 1. DM Mother 2. Erythroblastosis Fetalis 3. Metabolic Disease of Fetus 4. Deficit of Phosphatidylglycerol |
| L0 | limes zero [limes nul] |
| L1, | L2, L3, L4, L5 first, second, third, fourth, and fifth lumbar vertebrae |
| L1TC | level 1 trauma center |
| LA | 1) Left Atrium 2) Latex Agglutination |
| LA | lactic acid; large amount; laser angioplasty; late abortion; late antigen; latex agglutination; left angle; left arm; left atrium; left auricle; leucine aminopeptidase; leukemia antigen; leukoagglutination; leuprolide acetate; levator ani; linguo-axial; linoleic acid; lobuloalveolar; local anesthesia; local anesthetic; long-acting [drug]; long arm; low anxiety; Ludwig angina; lupus anticoagulant; lymphocyte antibody |
| La | labial; lambda; lambert; lanthanum |
| LA/Ao | left atrial/aortic [ratio] |