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Amnion
Amniotic sac
The embryo that does not have an amnion is the human embryo. It is a membrane that covers the embryo when first formed. Mammals, reptiles and birds have this feature.
Serum is the fluid that protects the sperm cells.......................................................... >_
Human amniotic membranes come from the fetal membranes which consist of the inner amniotic membrane made of single layer of amnion cells
the amnion is a fluid-filled sac that will protect the embryo from mechanical shock.
an amnion
It is surrounded by the Amnion, like, the Amniotic fluid.
Amnion
amnion
Amniocentesis is the medical term for removal of fluid in the amniotic sac.
Amnion is the membrane that covers the embryo. Chorion is the membrane that covers the amnion, the yolk sac, and the allantois. The space delimited by the chorion and the amnion is called amniotic cavity and it is filled with aminiotic fluid. The amniotic cavity has the functions of preventing desiccation of the embryo and of protecting it against mechanical shocks.
Amniotic sac
The amniotic sac holds a developing foetus when it is in the womb. The fluid it contains (the amniotic fluid) acts to protect the foetus. Think of a goldfish in bag of water - even if you accidentally knock the bag the fish doesn't feel anything. The same principle applies.
The uterus. In placental mamals, this is via the placenta.
Amniotomy is surgical incision into the amnion.
it is protected by the mother until she fells like it is time to send the baby to nursury