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Found Chorion 6 times.

Displaying results 1 to 10.

1. Chorion
The chorion is the outermost membrane enclosing the fetus . It is formed from tissues on the outside of the embryo such as the trophoblast , and the part of it attached to the uterus wall eventually develops into the placenta .

2. Chorion
The two-layered structure formed from the trophoblast after implantation; secretes human chorionic gonadotropin .

3. Chorionic
Referring to the chorion or membrane enclosing the fetus .

4. Chorionic villi sampling (CVS)
A method of prenatal testing in which fetal cells from the fetal side of the placenta (chorionic villi) are extracted and analyzed for chromosomal and biochemical defects.

5. Chorionic villus sampling
This is a technique of prenatal genetic screening by obtaining samples from the chorionic villi. It can be done at 8 to 10 weeks of gestation (earlier than amniocentesis) but complication rates are higher than with amniocentesis.

6. Chorionic villus sampling (CVS)
Taking a biopsy of the placenta , usually at the end of the second month of pregnancy, to test the fetus for genetic abnormalities ( mutation s).

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