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प्रश्न
Comment on the role of placenta as an endocrine gland.
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उत्तर
Placenta acts as an endocrine gland and produces the human chorionic gonadotropins, human placental lactogen, oestrogen, progesterone and relaxin (later stages of pregnancy). These hormones support foetal growth and help in the maintenance of pregnancy. Hormones like oestrogen, progestogen, cortisol and prolactin are increased several folds in the maternal blood.
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संबंधित प्रश्न
Arrange the following hormones in sequence of their secretion in a pregnant woman.
hCG, LH, FSH, Relaxin
State the Function of Chorionic Villi
Medically it is advised to all young mothers that breast-feeding is the best for their newborn babies. Do you agree? Give reasons in support of your answer.
In the event of pregnancy, the corpus luteum persists under the influence of ______.
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 preganancy.
The solid mass of cells with 16 blastomeres is called ______
Extra-embryonic membranes provide:
Through which structure is the placenta connected to the embryo, containing blood vessels for substance transport?
What is the primary function of human Chorionic Gonadotropin (hCG) during pregnancy?
Which hormone is secreted by the ovary in the later phase of pregnancy to relax pelvic ligaments for delivery?
During which trimester does rapid growth and weight gain in preparation for birth occur?
