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प्रश्न
Define the four stages in the uterine cycle.
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उत्तर
The uterine cycle consists of four distinct stages as follows :
(i) Menstruation: It lasts for about five days.
(ii) Follicle stage: From the end of menstruation to the release of the ovum, it lasts for 10-14 days.
(iii) Ovulation: It is the release of ovum from the ovary.
(iv) Corpus luteum stage: It lasts from ovulation to menstruation for about 10-14 days.
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संबंधित प्रश्न
What is a placenta?
Describe placenta structure.
Name the respective part of human female reproductive system:-
(i) that produces eggs,
(ii) where fusion of eggs and sperm takes place, and
(iii) where zygote gets implanted.
What do the testes in a man produce?
What joins embryo to placenta in mother's body?
Rewrite the terms in the correct order so as to be in a logical sequence.
Implantation, ovulation, child birth, gestation, fertilisation.
Describe in brief the role of testis in human male reproductive system.
Choose the Odd One Out:
Consider the following:
- The reductive division for the human female gametogenesis starts earlier than that of the male gametogenesis.
- The gap between the first meiotic division and the second meiotic division is much shorter for males compared to females.
- The first polar body is associated with the formation of the primary oocyte.
- Luteinising Hormone (LH) surge leads to disintegration of the endometrium and onset of menstrual bleeding.
Choose the correct answer from the options given below:
Testes and ovaries are classified as which category of reproductive organs?
