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प्रश्न
State the names of four hormones which control menstrual cycle.
उत्तर
Menstrual cycle is controlled by four hormones:
- Follicle-stimulating hormone (FSH),
- Luteinizing hormone (LH),
- Estrogen and
- Progesterone
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संबंधित प्रश्न
Observe the figure and answer the questions given below.
a) What does the above figure indicate?
b) Which human organs are involved in this process?
c) Name the hormones responsible for this process.
d) After how many days these repetitive changes take place?
e) ‚A woman should stay away from others, as her body is impure during this process.‛ What is your opinion about this statement? Elaborate it.
Briefly describe the secretory phase of the menstrual cycle.
Explain the role of hormones during the menstrual cycle.
What is the menstrual cycle?
Painful menstruation is termed as ____________.
The following is the illustration of the sequence of ovarian events (a-i) in a human female.
Explain the changes that occur in the uterus simultaneously in anticipation.
Lack of which hormone results in menstrual flow?
Which one of the following events occurs during the secretory phase of the menstrual cycle?
In the absence of fertilization, corpus luteum ____________.
When does ovulatory phase occur?
____________ is transformed to corpus luteum during luteal phase of the menstrual cycle.
Immediately after ovulation, the mammalian egg is covered by a membrane known as ______.
Menstruation is triggered by a sudden decline in the amount of hormone secreted by corpus luteum. Identify the hormone.
Corpus luteum develops from ______.
Which one of the following events is correctly matched with the time period in a normal menstrual cycle?
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. |
If the peak of Hormone A does not appear in the study for Subject 1, which of the following statement is true?
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?
The main function of mammalian corpus luteum is to produce ______.
What role does pituitary gonadotropins play during follicular and ovulatory phases of menstrual cycle? Explain the shifts in steroidal secretions.
The onset of menstruation in women is called ______.
