Chorionic membrane
Chorionic Membrane
The Chorionic Membrane (pronunciation: /kɔːˈriː.ɒn.ɪk ˈmɛm.breɪn/) is a vital component of the placenta in mammals, including humans. It is derived from the outermost layer of the embryo, known as the trophoblast.
Etymology
The term "Chorionic" is derived from the Greek word "khorion," which means "membrane surrounding the fetus." The term "membrane" comes from the Latin "membrana," meaning "a thin layer or sheet."
Function
The Chorionic Membrane serves as a protective barrier between the mother's blood and the baby's blood. It allows nutrients and oxygen to pass from the mother to the baby, and waste products to pass from the baby to the mother. It also plays a crucial role in the production of hormones that support pregnancy.
Related Terms
- Amniotic Membrane: The innermost layer of the placenta, which encloses the amniotic fluid and the fetus.
- Decidua: The part of the endometrium (lining of the uterus) that interacts with the chorionic membrane during pregnancy.
- Chorion: The part of the placenta that includes the chorionic membrane and the associated structures.
- Trophoblast: The outer layer of the embryo that gives rise to the chorionic membrane.
See Also
External links
- Medical encyclopedia article on Chorionic membrane
- Wikipedia's article - Chorionic membrane
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