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प्रश्न
The luteal phase of the menstrual cycle is also called the secretory phase. Give reason.
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उत्तर
In leutal phase LH and FSH decrease, corpus luteum produces progesterone and its level increases followed by decline progesterone also stimulates the glands in the uterus to secrete substances that maintain the endometrium and keep it from breaking down. For this reason, this phase of the menstrual cycle is called the secretory phase.
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संबंधित प्रश्न
Explain the changes that occur in the ovary and uterus during menstrual cycle in human females. Mention the influence of pituitary and ovarian hormones in bringing these changes.
Explain the menstruation phases in the menstrual cycle of a human female.
Give Reasons
Missing of menses is the first indication of pregnancy.
In the human female, menstruation can be deferred by the administration of ______.
A biology student after studying the different levels of hormones during the menstrual cycle was comparing 2 subjects (Patients). A table was created after looking at the levels of hormones A and B for Subjects 1 and 2. Read the information in the table and answer the question that follows.
| HORMONE A | HORMONE B | |
| Subject 1 | Shows a peak on the 14th Day of the menstrual cycle. | Falls down during the luteal phase. |
| Subject 2 | Shows a peak on the 14th Day of the menstrual cycle. | The level is maintained high in the luteal phase. |
For subject 2 it is observed that the peak for hormone B has reached the plateau stage. After approximately how much time will the curve for hormone B descend?
Menstruation normally occurs once in ______.
When does the corpus luteum degenerate?
Which of the following events is not associated with ovulation in human females?
What role does pituitary gonadotropins play during follicular and ovulatory phases of menstrual cycle? Explain the shifts in steroidal secretions.
In the human menstrual cycle, the ovulation occurs around ______.
