lecithin-sphingomyelin ratio


n.

The ratio of lecithin to sphingomyelin present in amniotic fluid, used to determine fetal pulmonary maturity.

Words nearby lecithin-sphingomyelin ratio

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.