The embryo or fetus is contained in a sac filled with amniotic fluid, commonly referred to as the bag of water.
The amniotic sac is the structure that protects and cushions the embryo during pregnancy. It is filled with amniotic fluid that helps absorb shocks and regulate temperature for the developing fetus.
The fluid-filled sac surrounding the developing embryo or fetus is called the amniotic sac. It is filled with amniotic fluid that protects and cushions the fetus, helping to regulate its temperature and provide room for movement.
The amniotic sac is the sac in which the fetus develops in amniotes. Its wall is the amnion, the inner of the two fetal membranes. It encloses the amniotic cavity and the embryo.
Fetus is name given to human embryo after it is recognizable as human embryo .
For the first 8 weeks the developing human is called an embryo after that it is called a fetus.
The membrane that surrounds the embryo and is filled with fluids that cushions and protects the embryo is called the amniotic sac or amnion.
An Embryo is a stage before Fetus, the Fetus is more developed than an Embryo, the stage of Birth and a baby being more developed than a fetus.
Embryo
The embryo lasts until about week 10 or 11 and then it is known as a fetus.
The fetus
fertilized egg,embryo, and fetus
There really isn't much difference between a zygote, embryo, and fetus. A zygote forms after fertilization and becomes an embryo, which later becomes a fetus.