| LSS | life support station; lumbosacral spine |
|---|---|
| LST | lateral spinothalamic tract; left sacrotransverse [fetal position]; life-sustaining treatment |
| LSTAT | life support for trauma and transport |
| LSU | lactose-saccharose-urea [agar]; life support unit |
| MLS | mean lifespan; median life span; median longitudinal section; microphthalmia-linear skin defects [sy... |