chorionic villusGo to external page http://purl.obolibrary.org/obo/UBERON_0007106
- UMLS:C0008508 (ncithesaurus:Chorionic_Villus)
One of the minute vascular projections of the fetal chorion that combines with maternal uterine tissue to form the placenta.
fetal part of placenta
villous of placenta
embryonic part of placenta
The bulk of the villi consist of connective tissues in which blood vessels are found. Most of the cells in the connective tissue core of the villi are fibroblasts. Macrophages known as Hofbauer cells are also present.
The mouse and human placentas have labyrinthine and villous types of interdigitation between maternal and fetal tissues, respectively