Advertisements
Advertisements
Questions
Name the function of the following:
Corpus luteum
State the main function of the corpus luteum.
Advertisements
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 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.
Describe the changes that occur in ovaries and uterus in human female during the reproductive cycle.
Identify True/False statement. Correct false statement to make it true.
Menstrual cycle ceases during pregnancy.
Why is follicular phase in the menstrual cycle also referred as proliferative phase? Explain.
Explain the events that occur in a graafian follicle at the time of ovulation and thereafter.
The Graafian follicle, after ovulation turns into a hormone producing issue called Corpus callosum.
the biological/technical terms for Fixing of developing zygote on the uterine wall.
Define Amenorrhea
Give appropriate terms for each of the following process:
Fixing of developing zygote (blastocyst) on the uterine wall.
Explain the ovarian and uterine events that occur during a menstrual cycle in a human female under the influence of pituitary and ovarian hormones respectively.
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.
Choose the correct answer from the four options given below :
On which day of the menstrual cycle does ovulation take place ?
Explain the menstruation phases in the menstrual cycle of a human female.
Give Reasons
The chances of pregnancy to occur are most favourable on or about the 14th day of the menstrual cycle. Explain.
Give Technical Term:
The phase in the menstrual cycle in which the remnant of a follicle in the ovary turns to corpus luteum.
Follicle stimulating hormone : Development of oocyte : : Luteinizing hormone : ____________
Write the answers to the following questions by observing the figure below.

- What does the figure above show?
- Which organs are involved in this process?
- Which hormones are involved in this process?
- After how many days do these changes happen again?
- Explain your opinion about the statement that a woman's body is impure while the above process is going on.
Read the following passage and answer the question that follows:
Rahini and her parents were watching a television program. An advertisement flashed on the screen which was promoting the use of sanitary napkins. Rahini’s parents suddenly changed the channel, but she objected to her parents and explained the need and importance of such an advertisement.
List out the napkin hygiene measures taken during menstruation?
The luteal phase of the menstrual cycle is also called the secretory phase. Give reason.
If the corpus luteum is present in the ovary even after 72 hours after ovulationit indicates that ______.
In the absence of fertilization, corpus luteum ____________.
Which hormone is secreted by the developing secondary follicles?
The temporary endocrine gland in humans is ______.
When does the following step take place?

Calculate the expected date of ovulation, if in a normal menstruating woman, gets her menses on 5th April.
Immediately after ovulation, the mammalian egg is covered by a membrane known as ______.
Mainly which type of hormones control the menstrual cycle in human beings?
Menstruation is triggered by a sudden decline in the amount of hormone secreted by corpus luteum. Identify the hormone.
Which one of the following statements is incorrect about menstruation?
The endometrium in the female is the lining of ______.
The Corpus luteum grows during menstruation.
Which of the following events is not associated with ovulation in human females?
About which day in a normal human menstrual cycle does rapid secretion of LH (Popularly called LH Surge) normally occurs?
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?
What groups of animals exhibit the menstrual cycle?
Which of the following organs primarily undergo cyclic changes during the menstrual cycle?
What hormone types control the menstrual cycle?
