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Questions
Name the function of the following:
Corpus luteum
State the main function of the corpus luteum.
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Solution
It secretes progesterone, a hormone that prepares the uterus for implantation. If implantation fails, the corpus luteum goes inactive and degenerates. If an embryo is implanted, the corpus luteum continues to release progesterone until the fourth month of pregnancy, when the placenta takes over this function.
RELATED QUESTIONS
Describe the roles of pituitary and ovarian hormones during the menstrual cycle in a human female.
Explain the role of pituitary and the ovarian hormones in menstrual cycle in human females
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the Biological/technical term for Complete stoppage of menstrual cycle in females
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Multiple Choice Question:
The onset of menstruation in the female is termed
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State the names of four hormones which control menstrual cycle.
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Do you think that Rahini’s objection towards her parents was correct? If so, Why?
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Explain the changes that occur in the uterus simultaneously in anticipation.
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Which one of the following events occurs during the secretory phase of the menstrual cycle?
Progesterone peaks during which phase of the menstrual cycle?
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Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female?
Mature Graafian follicle is generally present in the ovary of a healthy human female around stet ______.
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. |
The peak observed in Subject 1 and 2 is due to ______
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 level of progesterone is high at which phase in the menstrual cycle?
A human female experiences two major changes, menarche and menopause during her life. Mention the significance of both the events.
What role does pituitary gonadotropins play during follicular and ovulatory phases of menstrual cycle? Explain the shifts in steroidal secretions.
Observe the figure and label it properly.
- Name the hormone that regulates the cycle.
- Name the phases in this cycle.
- What is the duration of ovulation phase?
- What happens if implantation occurs?
- What happens if implantation does not occur?
The figure show a section of human ovary. Select the option which gives the correct identification of either A or B with function/characteristic.
Write a short note on Secretory Phase.
The onset of menstruation in a human female is called ______.
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. | ______ |
