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decidua Definition

de·cidua (dē sij′o̵̅o̅ ə)

noun pl. -·ae-ē or -·as

a mucous membrane lining the uterus during pregnancy, cast off at childbirth

Etymology: ModL (membrana) decidua, deciduous (membrane), orig. fem. of L deciduus: see deciduous

decidua Related Forms
de·cid′·ual adjective
decidua Usage Examples

Adjective modifier

  • maternal: Background: Trophoblast migration into maternal decidua is essential for normal pregnancy.