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प्रश्न
Mention the importance of LH surge during menstrual cycle.
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उत्तर
A rapid surge in LH induces the rupture of the Graafian follicle. This facilitates the release of an ovum. Thus, the rapid surge in LH facilitates ovulation.
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संबंधित प्रश्न
Describe the role of pituitary and ovarian hormones during the menstrual cycle in a human female.
Name and explain the role of the inner and middle walls of the human uterus.
Identify True/False statement. Correct false statement to make it true.
Menstrual cycle ceases during pregnancy.
Explain the events that occur in a graafian follicle at the time of ovulation and thereafter.
Give a significant point of difference between the oestrous and menstrual cycles.
Describe the structure of a Graafian follicle.
State the names of four hormones which control menstrual cycle.
What are the phases of the menstrual cycle? Indicate the changes in the ovary and uterus.
When does the following step take place?
The correct sequence of hormone secretion from the beginning of menstruation is ______.
Which one of the following statements is incorrect about menstruation?
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. |
Which structure in the ovary will remain functional in subject 2?
When does the corpus luteum degenerate?
The menstrual cycle begins with ______
The level of progesterone is high at which phase in the menstrual cycle?
Identify the correct statement from the following:
What role does pituitary gonadotropins play during follicular and ovulatory phases of menstrual cycle? Explain the shifts in steroidal secretions.
Given below is a group of terms. In the group, one pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Follicular phase: 5-12 days:: Luteal phase : ______ days.
Complete the following table by writing the name of the structure or the function of the given structure:
| Structure | Function | ||
| 1. | Corpus luteum | 1. | ______ |
| 2. | ______ | 2. | Produces male gametes in mass |
| 3. | Leydig cells | 3. | ______ |
| 4. | ______ | 4. | Stores the sperms until they mature and become mobile |
| 5. | Umbilical cord | 5. | ______ |
| 6. | Fallopian tube | 6. | ______ |
