DECIDUA Meaning and
Definition
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Decidua is a noun that refers to the thickened, vascular, and highly specialized lining of the uterus that forms during pregnancy. It is shed after childbirth or during menstruation. The decidua is a vital part of the uterine wall that serves to support and protect the developing embryo and fetus. It is composed of three distinct layers: the decidua basalis, decidua capsularis, and decidua parietalis, each with varying functions.
The decidua basalis is the layer where the placenta ultimately forms. It provides nourishment to the developing fetus by facilitating the exchange of nutrients and waste products with the mother's blood. The decidua capsularis is the layer that covers the embryo and helps to prevent it from being dislodged from the uterus. As the pregnancy progresses, the decidua capsularis folds and stretches, eventually blending with the decidua parietalis. This merging creates a unified lining of the uterus.
During pregnancy, the decidua undergoes hormonal changes and becomes enriched with blood vessels and glands to support the developing fetus. However, if conception does not occur, the decidua is shed during menstruation, starting a new cycle of growth and renewal.
In summary, the decidua is the specialized lining of the uterus that forms during pregnancy to support and protect the developing embryo and fetus. It plays a crucial role in nourishing the fetus and ensuring its proper development.
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The altered mucous membrane of the pregnant uterus, forming an envelope for the fetus.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for DECIDUA
- secidua
- xecidua
- cecidua
- fecidua
- recidua
- eecidua
- dwcidua
- dscidua
- ddcidua
- drcidua
- d4cidua
- d3cidua
- dexidua
- devidua
- defidua
- dedidua
- decudua
- decjdua
- deckdua
- decodua
Etymology of DECIDUA
The word "decidua" has its origins in Latin. It comes from the Latin word "deciduus", which means "falling down" or "shedding". This is derived from the verb "decidere", which combines "de" (down) and "cadere" (to fall). It was later imported into English as "decidua" to refer to the sheddings of the uterine lining during menstruation and pregnancy.
Similar spelling words for DECIDUA
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