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प्रश्न
State the Function of Chorionic Villi
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उत्तर
The function of Chorionic villi:
• It interdigitates with projections from uterine tissue to form a structure called the placenta, which is the connecting link between the mother and the foetus.
• It facilitates the supply of oxygen and nutrients to the embryo.
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संबंधित प्रश्न
When and where do chorionic villi appear in humans?
Choose the correct options of the following question:
Eyelids in human foetus separate in :
In the development of the human body, the ectoderm is responsible for the formation of ______.
Relaxin is the hormone secreted by the placenta.
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.
At which stage of embryonic development does trophectoderm develop?
Several hormones like HCG, HPL estrogen, and progesterone are produced by ______.
Except endocrine function, what are the other functions of placenta.
Draw a diagram showing human foetus within the uterus and label any four, parts in it.
Match the columns I and II with reference to weeks of pregnancy and the development of a human embryo. Select the correct option from the choices given below:
| Column I | Column II | ||
| I. | 8 weeks | (P) | Limbs and external genital organs |
| II. | 12 weeks | (Q) | Limbs and digits develop. |
| III. | 20 weeks | (R) | Body hair develops. |
| IV. | 24 weeks | (S) | Eyelids separate. |
During embryogenesis in dicots, the zygote divides into a basal cell and a terminal cell. The basal cell divides repeatedly to produce a structure called suspensor. Carefully observe the image given below and describe the function of cell – A and cell – B of the suspensor.
Zygote
