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Chorionic villi are tiny, finger-shaped growths found in the placenta. The genetic material in chorionic villus cells is the same as what is in fetal cells.
| By | Healthwise Staff |
| Primary Medical Reviewer | Susan C. Kim, MD - Pediatrics |
| Specialist Medical Reviewer | Louis Pellegrino, MD - Developmental Pediatrics |
| Last Revised | July 20, 2011 |