decidua basalis


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Related to decidua basalis: decidua parietalis, decidua capsularis

decidua

 [de-sid´u-ah]
a name applied to the endometrium during pregnancy, all of which except for the deepest layer is shed after childbirth; called also decidual or deciduous membranes. adj., adj decid´ual.
basal decidua (decidua basa´lis) that portion lying under the implanted ovum and chorion.
capsular decidua (decidua capsula´ris) that portion directly overlying the implanted ovum and chorion, facing the uterine cavity.
menstrual decidua (decidua menstrua´lis) the hyperemic uterine mucosa shed during menstruation.
parietal decidua (decidua parieta´lis) (true decidua) (decidua ve´ra) the decidua exclusive of the area occupied by the implanted ovum and chorion.

de·cid·u·a ba·sa·lis

the area of endometrium between the implanted chorionic sac and the myometrium, which develops into the maternal part of the placenta.
Synonym(s): decidua serotina

decidua basalis

the decidua of the endometrium in the uterus that lies beneath the implanted ovum. Also called decidua serotina.

de·cid·ua ba·sa·lis

(dē-sij'ū-ă bā-sā'lis) [TA]
The area of endometrium between the implanted chorionic sac and the myometrium, which develops into the maternal part of the placenta.
Synonym(s): decidua serotina.
References in periodicals archive ?
Infarction is the tissue necrosis due to acute blood and oxygen deprivation either to placental membranes or decidua basalis (laminar necrosis) or villous tissue (villous infarction).
1,82) Laminar necrosis of the decidua basalis has been also described.
36) Both LN and MCP showed even stronger statistical associations with other placental hypoxic lesions than with maternal and fetal status and were particularly associated with decidual arteriolopathy, multinucleated giant cells in decidua basalis, and excessive amount of extravillous trophoblasts in the placental disc (Table 2), just as they are associated with increased amount of migratory trophoblasts in the membranes themselves.
5) cells in decidua basalis Erythroblastosis of 16 (9.
4) The diagnosis of abnormal placentation is histological, and reveals the absence or poor development of the decidua basalis associated with varying extents of trophoblasatic villus invasion of the myometrium.
At caesarean, the area of decidua basalis was curetted with uterine curette.