| chorionic villus b. |
see under sampling.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| chorionic villus s. |
a procedure used for prenatal diagnosis at 9 to 12 weeks' gestation (7 to 10 weeks after fertilization). One method is aspiration of fetal tissue for analysis by catheter through the cervix from the villous chorion (chorion frondosum), under ultrasonic guidance. Another method is insertion of a needle, guided by ultrasonography, through the mother's abdominal and uterine walls into the uterine cavity. Spelled also chorionic villous sampling. Called also chorionic villus biopsy.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| chorionic carcinoma |
Choriocarcinoma.
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| chorionic vesicle |
The outer villus-covered layer of the early embryo. It encloses the embryo, amnion, umbilical cord, and yolk stalk.
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| chorionic villus. |
One of the tiny vascular projections of the chorionic surface that become vascular and help to form the placenta. SEE: embryo for illus.; chorion.
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