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Question
Describe the functions of Amnion
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Solution
Amnion: Amnion contains the amniotic fluid which surrounds the embryo.
This fluid protects the embryo from physical damage.
It maintains even pressure all around the embryo.
It also prevents sticking of foetus to amnion.
RELATED QUESTIONS
Give appropriate terms for the following:
Rupture of follicle and release of ovum from the ovary.
Match the items in column I with those in column II and write down the matching pairs (some may not match)
| Column I | Column II | ||
| a | Acrosome | 1 | An embryo which looks like human baby |
| b | Gestation | 2 | Luteinizing hormone |
| c | Menopause | 3 | ovum producing cells |
| d | Foetus | 4 | complete stoppage of menstrual cycle |
| e | Oogenesis | 5 | spermatozoa |
| f | Ovulation | 6 | Complete stoppage of menstrual cycle. |
| 7 | Time taken by a fertilized egg till the delivery of baby |
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Placenta
- What are the two sources that form placenta?
- Name any two main substances which pass from foetus to mother through placenta.
- Name any two hormones it produces.
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Implantation.
- The development stage that undergoes this process.
- The approximate time after fertilisation, when it occurs.
Differentiate between:
Amnion and allantois
Name the following:
The structure which connects the placenta and the foetus.
The diagram given below is that of a developing human foetus in the womb. Study the same and then answer the questions that follow:
- Name the parts '1' to '5' indicated by guidelines.
- What term is given to the period of development of the foetus in the womb?
- How many days does the foetus take to be fully developed?
- Mention two functions of the parts labelled ‘2’ other than its endocrine function.
- Name the hormone (anyone) produced by the part labelled ‘2’.
- What is the function of the part marked ‘3’?
Name the Following
A hollow pear-shaped muscular organ that holds, nourishes and protects the fetus.
Write one sentence using the following term pertaining to reproduction in humans.
Placenta
Which of the following cannot pass readily through the placenta to the foetus?
