Amniocentesis: A method of prenatal testing in which amniotic fluid is withdrawn from the uterus through a needle. The fluid and the fetal cells it contains are analyzed to detect biochemical or chromosoma . . . View Full Definition
Amniocyte: Cells obtained by amniocentesis.
Prenatal Testing: Testing to detect the presence of a genetic disorder in an embryo or fetus; commonly done by amniocentesis or chorionic villi sampling.