Chorionic villus sampling is a prenatal diagnostic test performed for prenatal genetic testing involving a biopsy of placental tissue between 10 to 13 weeks gestation. The tissue harvested is the ...

Intestinal villi (singular: villus)are tiny, finger-like projections that line the interior (lumen) of the small intestine. The primary function of villi is to absorb nutrients from food and transfer ...

The intestinal epithelium of our body consists of a myriad of elongated villi microarchitectures which increase the total surface area of the inner wall for better absorption of digested nutrients.

NEW YORK (Reuters Health) - Testing for genetic defects early in pregnancy through chorionic villus sampling, or CVS, does not appear to raise the risk of fetal loss. CVS involves using a needle to ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...