decidua
Concise Oxford English Dictionary © 2008 Oxford University Press:
decidua /dɪˈsɪdjʊə/
▶noun Physiology a thick layer of modified mucous membrane which lines the uterus during pregnancy and is shed with the afterbirth.
– derivatives
decidual adjective.
decidual adjective.
– origin C18: from mod. L. decidua (membrana), lit. ‘falling off (membrane)’.
'decidua' also found in these Oxford entries:

