0
What else can I help you with?
What is the name for the protective structure that forms around an embryo?
Amniotic membrane or amniotic sac, containing the embryo and amniotic fluid.
What is a blood sack behind the placenta?
This is the birth sac that needs to be removed so the baby can start to breathe. If you are talking about the sac that shows on an ultrasound, this is the amniotic sac that contains the 'waters' and is absolutely necessary for the growth of the baby. It is the same thing that the answer above mentions.
What is the thick structure of blood vessels and tissues that grows and supports the amniotic sac?
placenta
Do identical twins share a sac during pregnancy?
Identical twins do not share a sac during pregnancy. They each have their own amniotic sac and placenta.
The embryonic cells that proliferate and eventually form the placenta umbilical cord and the amniotic sac are called?
Trophoblasts
Which parts are not present before a woman becomes pregnant?
Placenta, umbilical cord, fetus, amniotic sac with amniotic fluid. Basically everything related to the fetus.
When does the amniotic sack and placenta form?
The amniotic sac and placenta begin to form shortly after conception. The amniotic sac develops from the outer membranes surrounding the embryo, starting around the second week of pregnancy, while the placenta begins to form from the trophoblast cells that surround the developing embryo around the same time. By the end of the first trimester, both structures are well-established, providing essential support and protection for the growing fetus.
What is the site of fetal development?
Fetal development primarily occurs within the uterus, specifically within the amniotic sac and placenta. The amniotic sac contains amniotic fluid that surrounds and protects the fetus, while the placenta provides oxygen and nutrients to the fetus and removes waste products.
Does a grasshopper have an amniotic sac?
Grasshoppers do not have an amniotic sac. Animals with amniotic sacs are mammals and birds that have a sac for the fetus to grow and gain nourishment from.
What is the protective sac around the developing embryo or fetus is the?
The protective sac around the embryo or fetus is the amniotic sac.
The developing embryo is surrounded by a protective membrane called the?
amniotic sac :)
What are cats coverd in when they are just born?
When they are born, kittens already have fur; additionally, they are born still encased in their amniotic sac and with the placenta attached. The pressure of being born usually breaks the sac, letting the amniotic fluid out, but does not remove it; the mother cat licks the kitten to remove the remnants of the sac and start the kitten breathing.
