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प्रश्न
Differentiate between:
Amnion and allantois
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उत्तर
Amnion is a sac which develops around the embryo whereas allantois is an extension from the embryo which forms villi of placenta.
संबंधित प्रश्न
Given below are the names of certain stages/substances related to reproduction and found in human body. Answer the questions related to them.
Gestation
• What is its meaning?
• How long does it normally last?
Name and describe very briefly, the stages in the development of human embryo.
How is Placenta formed? What are its functions?
Give Reasons
The full-grown human embryo respires but does not breathe.
Name the Following
A hollow pear-shaped muscular organ that holds, nourishes and protects the fetus.
Give Technical Term:
A structure which connects the placenta with the fetus.
Which of the following reproductive structures is responsible for secretion of hCG?
All are functions of placenta, EXCEPT ______.
Write one sentence using the following term pertaining to reproduction in humans.
Placenta
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Morula.
- What is this stage?
- Name the stage which comes next to it?
