What are the tiny hairs that cover the human fetus called?

and how long do they last after birth

What are the tiny hairs that cover the human fetus called?

Week 14 she's starting to develop an ultra-fine, downy covering of hair all over her body (called lanugo). No set time for losing the hair. It varies with each child.

What are the tiny hairs that cover the human fetus called?

I think its called Laguna (spelling might be off) But it normally falls off within a couple weeks to a couple months.

What are the tiny hairs that cover the human fetus called?

Lanugo

What are the tiny hairs that cover the human fetus called?

Lanugo is the word you are looking for. I don't think they last too long, my guess would be under six months???