“Mutants were observed as non-staining ribbons on the surface of the villus.”

“A villus has a fibromuscular core with fetal blood vessels and is covered by an epithelium termed the trophoblast.”

“Prenatal tests called amniocentesis and chorionic villus sampling can diagnose Tay-Sachs before birth.”

“Dryness seems generally to favour the hairyness or villosity of plants.”

“All details of her woodcarvings, even the villi, or small hairs on the stem of each plant, are done by hand with a knife.”

“Amniotic fluid, chorionic villi, or fetal serum can be tested for evidence of West Nile virus infection.”

“The epithelium, often with villi, crypts, and glands, simulates the normal mucosa of the gut.”