Question

What is chlorionic villi??

What is placenta??

What is trophoblast?? Write about the inner cell??

What is implantation??

Answer 1

Answer:

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1. Chorionic villi are villi that sprout from the chorion to provide maximal contact area with maternal blood. They are an essential element in pregnancy from a histomorphologic perspective, and are, by definition, a product of conception. Branches of the umbilical arteries carry embryonic blood to the villi.
2. The placenta is an organ that develops in your uterus during pregnancy. This structure provides oxygen and nutrients to your growing baby and removes waste products from your baby's blood. The placenta attaches to the wall of your uterus, and your baby's umbilical cord arises from it.
3. Trophoblasts are cells that form the outer layer of a blastocyst and are present four days post fertilization in humans. They provide nutrients to the embryo and develop into a large part of the placenta.
4. implantation is the stage of pregnancy at which the embryo adheres to the wall of the uterus. At this stage of prenatal development, the conceptus is called a blastocyst. It is by this adhesion that the embryo receives oxygen and nutrients from the mother to be able to grow

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Answer 2

$\sf\pink{What\:is\:chlorinic\:villi\:?}$

After implantation, finger-like projections appears on the trophoblast called chorionic villi.

$\sf\blue{What\:is\:placenta\:?}$

The chorionic villi and uterine tissue become interdigitated with each other and jointly form a structural and functional unit between developing embryo and maternal body called placenta .

$\sf\green{What\:is\:tropoblast\:?}$

$\sf\green{Write\:about\:the\:inner\:cell\:?}$

The blastomeres in the blastocyst

are arranged into an outer layer called proper blast and n in a group of cell attached to the tropoblast called the inner cell mass .

$\sf\orange{What\:is\:implantation\:?}$

The blastocyst becomes embedded in the endometrium of the uterus is called implantation and it leads to pregnancy.