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Vivisection (from Latin vivus, meaning alive, and sectio, meaning cutting) is surgery conducted for experimental purposes on a living organism, typically animals with a central nervous system, to view living internal structure.
Transcervical CVS. A sample of cells from the chorionic villi is collected through your cervix (the neck of the womb). A thin tube attached to a syringe or small forceps are inserted through your vagina and cervix, and guided towards the placenta using the ultrasound scan.