decidua defined in 1951 yeardecidua - decidua;
decidua - Mucous membrane (endometrium) lining uterus in the thickened and modified form it acquires during pregnancy in many mammals (not in 'ungulates', See also: Placenta). Some or all of the decidua comes away with the placenta at birth.
near decidua in Knolik
definition of word "decidua" was readed 958 times