DECIDUA BASALIS Meaning and
Definition
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Decidua basalis refers to the specialized lining of the uterus that forms during pregnancy. It is a part of the maternal side of the placenta, specifically the area where the placenta attaches to the uterine wall. The term "decidua" stems from the Latin word meaning "falling off or shedding," and it describes the thickened endometrium that is shed after each menstrual cycle in non-pregnant women.
The decidua basalis is responsible for the exchange of nutrients, oxygen, and waste products between the mother and developing fetus. It is composed of various cell types, including glandular cells, immune cells, and connective tissue cells. These cells undergo extensive modifications and transformations to support the growth and development of the placenta.
During pregnancy, the decidua basalis becomes extensively vascularized, allowing blood vessels from the mother to reach the placenta and deliver essential nutrients to the developing fetus. The outermost layer of the decidua basalis, known as the decidua capsularis, covers the developing embryo, providing a protective barrier and separating it from the rest of the uterine cavity.
The formation and proper functioning of the decidua basalis is essential for maintaining a healthy pregnancy. Any abnormalities or disruptions in its development can result in complications such as placental dysfunction, impaired nutrient exchange, or even pregnancy loss.
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D. Serotina, the part of the mucous membrane between the blastocyst and the uterine wall, at the place where the placenta will be formed.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for DECIDUA BASALIS
- secidua basalis
- xecidua basalis
- cecidua basalis
- fecidua basalis
- recidua basalis
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- dexidua basalis
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- dedidua basalis
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Etymology of DECIDUA BASALIS
The term "decidua basalis" is derived from Latin.
"Decidua" comes from the Latin word "deciduus", which means "falling off" or "shedding". In the context of the word "decidua", it refers to the mucous membrane lining of the uterus that is shed during menstruation or after giving birth.
"Basalis" is derived from the Latin word "basis", meaning "base". It refers to the basal or deepest layer of the decidua, which is the part that is directly in contact with the developing placenta during pregnancy.
Together, "decidua basalis" describes the specific portion of the uterine lining involved in the formation of the placenta during pregnancy.
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