Fetal membrane
Fetal Membrane
The Fetal Membrane (pronounced: fee-tuhl mem-brayn) is a crucial part of the pregnancy process in mammals, including humans.
Etymology
The term "Fetal Membrane" is derived from the Latin words 'fetus', meaning offspring, and 'membrana', meaning a thin layer or sheet.
Definition
The Fetal Membrane is a thin, protective layer that surrounds the fetus during gestation. It is composed of two main layers: the amnion and the chorion. The amnion is the innermost layer that contains the amniotic fluid and the fetus. The chorion is the outer layer that interfaces with the maternal tissues and forms part of the placenta.
Function
The primary function of the Fetal Membrane is to protect the fetus during pregnancy. It provides a sterile environment, cushions the fetus against physical impact, maintains a constant temperature, and allows for the exchange of nutrients and waste products between the mother and the fetus.
Related Terms
- Amniotic Fluid: The fluid within the amniotic sac that surrounds and protects the fetus.
- Chorionic Villi: Tiny, finger-like projections on the chorion that help form the placenta and facilitate nutrient and oxygen exchange between the mother and fetus.
- Decidua: The part of the endometrium (lining of the uterus) that interacts with the chorion to form the placenta.
- Gestation: The period of development from conception until birth.
External links
- Medical encyclopedia article on Fetal membrane
- Wikipedia's article - Fetal membrane
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