单词 | chorionic villus |
释义 | chorionic villus (once / 1969886 pages) n WORD FAMILY chorionic villus USAGE EXAMPLESToday’s main options are invasive tests - amniocentesis and CVS, or chorionic villus sampling - that analyze a sample of amniotic fluid or placenta tissue. Washington Times(Nov 02, 2016) That means fewer women would need to go through invasive follow-up diagnostic tests using amniocentesis or chorionic villus sampling, both of which can cause miscarriages. Reuters(Mar 06, 2014) One such test, chorionic villus sampling, has a miscarriage rate of 1 in 200; the other, amniocentesis, causes miscarriages 1 out of every 600 times. Forbes(Feb 28, 2014) n one of the tiny villi that stick out of the fetal chorion and combine with the mother's uterine tissue to form the placenta Hyper villus a minute hairlike projection on mucous membrane |
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