Chorionic villus
Chorionic Villus
Chorionic villus (pronunciation: kɔːˈriːɒnɪk ˈvɪləs) is a structure in the placenta that plays a crucial role in the exchange of nutrients and waste products between the mother and the fetus.
Etymology
The term "chorionic villus" is derived from the Greek words "chorion" meaning "membrane" and "villus" meaning "shaggy hair". This is due to the structure's resemblance to shaggy hair.
Function
The primary function of the chorionic villus is to facilitate the exchange of nutrients, oxygen, and waste products between the mother and the fetus. This is achieved through the blood vessels present in the villi, which are in close contact with the mother's blood supply.
Related Terms
- Chorionic villus sampling: A prenatal test where a sample of chorionic villi is taken from the placenta for genetic testing.
- Placenta: The organ that connects the developing fetus to the uterine wall to allow nutrient uptake, waste elimination, and gas exchange.
- Fetus: The unborn offspring from the end of the 8th week after conception (when the major structures have formed) until birth.
See Also
External links
- Medical encyclopedia article on Chorionic villus
- Wikipedia's article - Chorionic villus
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