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What is the relationship of the amniotic sac and the umbilical cord to the developing embryo?
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What three structures protect and nourish the developing embryo?
Placenta, amniotic fluid and umbilical cord.
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 is the fluid-filled sac surrounding the developing embryo or fetus?
Amniotic sac
What is designed to cushion the developing embryo and to help it maintain a constant temperature?
amniotic fluid
What type of egg is composed of a protective shell and membranes that surround the developing embryo?
A type of egg is composed of a protective shell and membranes that surround the developing embryo is an egg
At what gestational age does the umbilical cord start working?
The umbilical cord begins developing 6 to 12 days after conception when the blastocyst becomes three separate layers, the placenta, the umbilical cord / amniotic sac and the baby - when this happens the zygote drops into the uterus, attaches to the uterine lining and officially becomes an embryo. The developing placenta trigers the hCG level to rise and within a week it reaches a level high enough to confirm the pregnancy.
What is the amniotic fluid and what is its function?
Amniotic fluid is a nourishing fluid found in the amniotic sac of the embryo. Its main function is nourishment of the embryo. Please refer to the related questions for detailed information on Amniotic fluid.
Umbilical pertains to what?
In placental mammals, the umbilical cord (also called the birth cord or funiculus umbilicalis) is a conduit between the developing embryo orfetus and the placenta.
What supplies food and oxygen for the developing embryo?
The developing embryo is nourished by the yolk sack until implantation. Upon implantation the placenta begins to develop, the placenta acts as the fetal lung , it transports oxygen to the fetus and carbon dioxide away from the fetus via the umbilical cord. The placenta also provides stored carbs for the developing fetus.
How many weeks of pregnancy is it until amniotic sac forms?
The amniotic sac begins forming about 12 days after conception - the blastocyst becomes an embryo with three separate layers that will become the baby, the umbilical cord and the amniotic sac. This corresponds with implantation and hCG beginning to rise.
In the amniote egg the is the primary food source for the developing embryo?
It's a sack and not an egg but the primary food source, the only one, is the placenta and the nutrients go via the umbilical cord.
