decidua

(redirected from membrana decidua)
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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

(dē-sid'yū-ă),
The endometrium of the uterus in a pregnant woman.
[L. deciduus, falling off]

decidua

(dĭ-sĭj′o͞o-ə)
n. pl. decid·uas or decid·uae (-o͞o-ē′)
A mucous membrane lining the uterus, modified during pregnancy and shed at parturition or during menstruation.

de·cid′u·al adj.

decidua

Gynecology Endometrial tissue that has been structurally and functionally transformed by pregnancy; 'decidualization' begins at conception's inception, and is complete by the end of the first month

de·cid·u·a

(dē-sij'ū-ă)
The endometrium of the pregnant uterus that has undergone changes, under the influence of hormones produced by the ovarian (ovulation) cycle, to prepare it for the implantation and nutrition of the blastocyst; so-called because the membrane is cast off after labor.
Synonym(s): deciduous membrane, membrana decidua.
[L. deciduus, falling off]

decidua

The thick lining of the womb (endometrium) during pregnancy with its associated membranes that are cast off with the PLACENTA after the birth of the baby.

decidua

that part of the lining of the uterus of mammals which, after thickening during pregnancy, is shed as AFTERBIRTH at parturition.