Question

When and where do chorionic villi appear in humans?State their function.

Answer 1

Answer:

chorionic villi are the finger like projection on plasenta it appeares during pregnency

Explanation:

function. Chorionic villi are villi that sprout from the chorion to provide maximal contact area with maternal blood. They are an essential element in pregnancy from a histomorphologic perspective, and are, by definition, a product of conception. Branches of the umbilical arteries carry embryonic blood to the villi.

Answer 2

Answer:

Explanation:

Chorionic villi are finger like projections that arise from the trophoblast layer that develops in the zygote after it has undergone implantation.

Function of Chorionic Villi  

1. It interdigitates with projections from uterine tissue to form a structure called the placenta, which is the connecting link between the mother and the foetus.

2. It facilitates the supply of oxygen and nutrients to the embryo.