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lecithin/sphingomyelin (LS) ratio,
the ratio of two components of amniotic fluid, used for predicting fetal lung maturity. The normal ratio in amniotic fluid is 2:1 or greater when fetal lungs are mature. LS, adj lumbosacral; relates to a structure within the lumbar and sacral regions of the body, such as the lumbosacral joint. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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