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प्रश्न
When and where do chorionic villi appear in humans?
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उत्तर
Chorionic villi are finger-like projections that arise from the trophoblast layer that develops in the zygote after it has undergone implantation.
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संबंधित प्रश्न
Arrange the following hormones in sequence of their secretion in a pregnant woman. Mention their source and the function they perform:
hcG, LH, FSH, Relaxin
State the Function of Chorionic Villi
Mention any two functions of the human placenta.
Eye lens is formed from ______.
The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?
In the event of pregnancy, the corpus luteum persists under the influence of ______.
The early stage human embryo distinctly possesses ______.
The concentration of which of the following substances will decrease in the maternal blood as it flows from embryo to placenta through the umbilical cord?
The human foetus within the uterus
- Oxygen
- Amino Acids
- Carbon dioxide
- Urea
Which of the following is not a function of the placenta?
Draw a diagram showing human foetus within the uterus and label any four, parts in it.
