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If mammalian ovum fails to get fertilized, which one of the following is unlikely?
- a)Corpus luteum will degenrate
- b)Progesterone secretion rapidly declines
- c)Estrogen secretion further decreases
- d)Primary follicle starts developing
Correct answer is option 'C'. Can you explain this answer?
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If mammalian ovum fails to get fertilized, which one of the following ...
If mammalian ovum fails to get fertilized the estrogen secretion does not decrease further while corpus luteum will disintegrate. Primary follicle starts developing and progesterone secretion rapidly declines.
Topic in NCERT: MENSTRUAL CYCLE
Line in NCERT: "In the absence of fertilisation, the corpus luteum degenerates."
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If mammalian ovum fails to get fertilized, which one of the following ...
Understanding Ovarian Cycle After Ovum Fertilization Failure
When a mammalian ovum fails to get fertilized, several physiological changes occur in the female reproductive system. Here’s a detailed breakdown of the processes involved:
Corpus Luteum Degeneration
- After ovulation, the ruptured follicle transforms into the corpus luteum, which secretes hormones, primarily progesterone and estrogen.
- If fertilization does not occur, the corpus luteum degenerates, leading to a decrease in hormone levels.
Decline in Progesterone Secretion
- The degeneration of the corpus luteum results in a rapid decline in progesterone levels.
- This decline is crucial as progesterone is responsible for maintaining the uterine lining for potential implantation.
Estrogen Secretion Decrease
- As the corpus luteum degenerates, estrogen secretion also decreases.
- This reduction is essential for the menstrual cycle, as it leads to the shedding of the uterine lining.
Development of Primary Follicle
- The process of follicle development is regulated by hormones released from the pituitary gland.
- As hormone levels decrease, it is likely that new primary follicles will start to develop for the next cycle.
Conclusion
In summary, if the mammalian ovum fails to be fertilized:
- The corpus luteum will degenerate.
- Progesterone and estrogen levels will decline.
- New primary follicles will begin to develop.
Therefore, the unlikely scenario is that estrogen secretion further decreases, as it is already expected to decrease as part of the reproductive cycle.
When a mammalian ovum fails to get fertilized, several physiological changes occur in the female reproductive system. Here’s a detailed breakdown of the processes involved:
Corpus Luteum Degeneration
- After ovulation, the ruptured follicle transforms into the corpus luteum, which secretes hormones, primarily progesterone and estrogen.
- If fertilization does not occur, the corpus luteum degenerates, leading to a decrease in hormone levels.
Decline in Progesterone Secretion
- The degeneration of the corpus luteum results in a rapid decline in progesterone levels.
- This decline is crucial as progesterone is responsible for maintaining the uterine lining for potential implantation.
Estrogen Secretion Decrease
- As the corpus luteum degenerates, estrogen secretion also decreases.
- This reduction is essential for the menstrual cycle, as it leads to the shedding of the uterine lining.
Development of Primary Follicle
- The process of follicle development is regulated by hormones released from the pituitary gland.
- As hormone levels decrease, it is likely that new primary follicles will start to develop for the next cycle.
Conclusion
In summary, if the mammalian ovum fails to be fertilized:
- The corpus luteum will degenerate.
- Progesterone and estrogen levels will decline.
- New primary follicles will begin to develop.
Therefore, the unlikely scenario is that estrogen secretion further decreases, as it is already expected to decrease as part of the reproductive cycle.
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If mammalian ovum fails to get fertilized, which one of the following is unlikely?a)Corpus luteum will degenrateb)Progesterone secretion rapidly declinesc)Estrogen secretion further decreasesd)Primary follicle starts developingCorrect answer is option 'C'. Can you explain this answer?
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