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The fine, downy, unpigmented hair that appears on a fetus in the last 3 months of development is called Lanugo.
The "hairs" on a paramecium are called cilia.
The liquid surrounding the fetus is called amniotic fluid.
For the first 8 weeks the developing human is called an embryo after that it is called a fetus.
In week 9 the fetus begins to develop fingernails and body hair. By week 13 fine hairs begin to grow on the head.
The embryonic period extends to the end of the eight week. After the embryonic period (8weeks), the developing human is called a fetus.
A group of hairs is called a hank or a tress.
Fetus
the tiny hairs are called CILIA
No
One unborn baby is called a fetus. More than one unborn baby in one mother's uterus are called fetuses. At the moment a fetus is born it is called a neonate-- or more commonly put, it is called a "baby" or "infant". But until it is born, it is a fetus.
The organ where the developing fetus resides is called the uterus. This is where the fetus grows and matures inside the female.