adj.卵壳的，绒（毛）膜的

The chorionic villi are the finger-like projections that develop within the placenta, providing a direct connection between the mother's blood and the developing fetus.
胎盘绒毛是生长在胎盘内的指状突起，它们直接连接母体血液和发育中的胎儿。
Chorionic villus sampling (CVS) is a diagnostic procedure where a small sample of placental tissue is taken for genetic testing during pregnancy.
胎儿绒毛取样（CVS）是一种孕期诊断方法，通过取少量胎盘组织进行基因检测。
The chorionic sac, or amniotic sac, surrounds and protects the growing fetus with a watery fluid.
胎膜或羊膜囊包裹并保护着正在发育的胎儿，内部充满液体。
In a multiple pregnancy, there may be more than one chorionic sac, indicating twins, triplets, or higher-order multiples.
在多胞胎中，可能有一个以上的胎膜囊，表明双胞胎、三胞胎或更高阶的多胞胎。
The placenta's chorionic villi play a crucial role in nutrient exchange and waste removal between the mother and baby.
胎盘的绒毛在母体与胎儿之间的营养交换和废物排除中起着关键作用。
The chorionic villi biopsy can reveal chromosomal abnormalities in the fetus, which may help doctors make decisions about prenatal care.
胎儿绒毛活检能显示胎儿染色体异常，有助于医生制定产前护理方案。
The chorionic villus test (CVT) is a type of prenatal screening to detect certain genetic disorders in the fetus.
胎儿绒毛测试（CVT）是一种用于筛查胎儿遗传疾病的孕期检查。
During early pregnancy, the placenta forms from the chorionic layer of the blastocyst, which implants into the uterine wall.
在怀孕早期，胎盘由植入子宫壁的囊胚的滋养层形成。
A chorionic hemorrhage is a bleeding incident within the placenta, which can potentially impact fetal development and necessitate medical intervention.
胎盘出血是指胎盘内出血，可能影响胎儿发育，并可能需要医疗干预。
The chorionic villous sampling was found to be accurate in identifying Down syndrome, with a high degree of sensitivity and specificity.
胎儿绒毛取样被证实对识别唐氏综合症具有高敏感性和特异性。