de·cid·u·a

(dĭ-sĭj′o͞o-ə)

n. pl. de·cid·u·as or de·cid·u·ae (-o͞o-ē′)

A mucous membrane lining the uterus, modified during pregnancy and shed at parturition or during menstruation.

[New Latin (membrāna) dēcidua, (membrane) that falls off, from Latin dēciduus, falling off; see deciduous.]

de·cid′u·al adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

decidua

(dɪˈsɪdjʊə)

n, pl -ciduas or -ciduae (-ˈsɪdjʊˌiː)

(Zoology) the specialized mucous membrane that lines the uterus of some mammals during pregnancy: is shed, with the placenta, at parturition

[C18: from New Latin, from Latin dēciduus falling down; see deciduous]

deˈcidual, deˈciduate adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

de•cid•u•a

(dɪˈsɪdʒ u ə)

n., pl. -cid•u•as, -cid•u•ae (-ˈsɪdʒ uˌi)

the endometrium of a pregnant uterus, cast off at parturition.

[1775–85; < New Latin < Latin dēciduus falling; see deciduous]

de•cid′u•al, adj.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

decidua - the epithelial tissue of the endometrium

epithelial tissue, epithelium - membranous tissue covering internal organs and other internal surfaces of the body

endometrium - (pregnancy) the mucous membrane that lines the uterus; thickens under hormonal control and (if pregnancy does not occur) is shed in menstruation; if pregnancy occurs it is shed along with the placenta at parturition

Translations

de·cid·u·a

n. decidua, tejido membranoso formado por la mucosa uterina durante la gestación y expulsado después del parto.