Main Entry: decidua pa·ri·etal·is Pronunciation: -p&-"rI-&-'tal-&s Function: noun : the part of the decidua in the pregnanthuman female lining the uterus
decidua parietalis decidua pa·ri·e·ta·lis (pə-rī'ĭ-tā'lĭs) n. The mucous membrane lining the main cavity of the pregnant uterus elsewhere than at the site of attachment of the chorionic vesicle. Also called decidua vera.