释义 |
nuchal translucency
nuchal translucency (nū'kăl trans-lū'sen-sē), ultrasonographic finding of a single nonseptated lucenty (anechoic area) projecting from the posterior aspect of the fetal neck; measured at menstrual age 11-14 weeks. Increased thickness of this area indicates increased fetal risk for aneuploidy and some nonchromosomal disorders.AcronymsSeeNT |