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.

Mentioned in

References in periodicals archive

The study does not specify if the decidual lymphocyte cells were isolated from decidua basalis or decidua parietalis. This is in line with the high number of [CD8.sup.+] T cells, where Th1 cells may be important for enhancement of the probability of activation of [CD8.sup.+] cells [111], while Tregs support tolerance of the fetus.

Lymphocytes in Placental Tissues: Immune Regulation and Translational Possibilities for Immunotherapy

A, Mural hypertrophy of maternal arteries in the decidua parietalis; note the scanty chronic perivascular lymphocytic infiltrate.

Sampling and Definitions of Placental Lesions: Amsterdam Placental Workshop Group Consensus Statement

(4) This precedes the "double decidual sign," which consists of two concentric echogenic rings: the decidua capsularis surrounding the gestational sac, and the decidua parietalis representing the opposite wall of the endometrium, often separated by a thin collection of fluid within the endometrial cavity (Figure 2).

Imaging of vaginal bleeding in early pregnancy

Similar structural alterations were seen in ectopic pregnancies and in the decidua parietalis of intrauterine pregnancies [2].

Correlation between first and second trimester uterine artery Doppler velocimetry and placental bed histopathology

Indeed, the healthy uncomplicated term pregnancies containing a HLA-C mismatched child induce a higher percentage of CD4+[CD25.sup.dim] activated-T cells in decidua parietalis and contain functional CD4+CD25bright regulatory T-cells in decidual tissue when compared with HLA-C-matched pregnancies [111].

Relationship between maternal immunological response during pregnancy and onset of preeclampsia