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प्रश्न
Draw a diagram showing human foetus within the uterus and label any four, parts in it.
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उत्तर
Foetus developing in the uterus
संबंधित प्रश्न
The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?
Which of the following statements are correct with respect to hormones secreted by the placenta?
- The placenta secretes relaxin during the later stage of pregnancy.
- The placenta secretes a high amount of FSH during pregnancy.
- The placenta secretes relaxin during the initial stage of pregnancy.
- The placenta secretes hCG and hPL during pregnancy.
Read the following and answer from given below:
Cleavage is the series of rapid mitotic divisions in the zygote and forms blastula. The 2, 4, 8, 16 daughter cells are called blastomeres. An embryo with 64 blastomeres is known as a blastocyst and has a blastocoel cavity. Blastocyst gets implanted in the uterine wall and leads to pregnancy.
The correct sequence of various structures formed during embryonic development is ______
Assertion: Functional ADA cDNA genes must be inserted in the lymphocytes at the early embryonic stage.
Reason: Cells in the embryonic stage are mortal, differentiated and easy to manipulate.
Explain the formation of placenta after the implantation in a human female.
The diagram given below represents a specific stage of human embryonic development. Identify the stage.
Which structure is formed after implantation of the blastocyst and connects the fetus to the uterine wall?
What are the finger-like projections of the outer embryonic layer that penetrate the uterine wall called?
Which germ layer gives rise to the heart, blood vessels, muscles, and bones?
Which external genital structures become distinguishable and well-developed by the end of 12 weeks?
