decidua
de·cid·u·a pl. -·ae or -·as
a mucous membrane lining the uterus during pregnancy, cast off at childbirth
Origin of decidua
Modern Latin (membrana) decidua, deciduous (membrane), origin, originally feminine of Classical Latin deciduus: see deciduousdecidua
noun
pl. de·cid·u·as or de·cid·u·ae A mucous membrane lining the uterus, modified during pregnancy and shed at parturition or during menstruation.
Origin of decidua
New Latin (membrana) d&emacron;cidua, (membrane) that falls off, from Latin d&emacron;ciduus, falling off; see deciduous.Related Forms:
- de·cid′u·al
adjective
decidua
Noun
(plural deciduas or deciduae)
- (anatomy) A mucous membrane that lines the uterus and is shed during menstruation and modified during pregnancy
