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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
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.
Which of the following hormones is not a secretory product of human placenta?
Placenta is
Draw a diagram showing human foetus within the uterus and label any four, parts in it.
The diagram given below represents a specific stage of human embryonic development. Identify the stage.
What is the ability of stem cells to differentiate into any tissue or organ of the body called?
During which trimester does organogenesis, the formation of all major organs, primarily occur?
At what point during pregnancy is the embryo officially referred to as a fetus?
What is the term for the first movements of the fetus felt by the mother?
