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प्रश्न
Explain the menstruation phases in the menstrual cycle of a human female.
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उत्तर
- During menstruation, the uterine lining, known as the endometrium, sheds along with blood vessels and tissue debris.
- If fertilization does not occur, this process is started by a reduction in estrogen and progesterone.
- Menstruation is the start of the menstrual cycle and usually lasts 3-7 day.
संबंधित प्रश्न
the Biological/technical term for Complete stoppage of menstrual cycle in females
Define: Menarche
Explain the role of hormones during the menstrual cycle.
Meanrch, menstrual cycle, and menopause are controlled by ______.
Describe the structure of a Graafian follicle.
Read the following passage and answer the question that follows:
Rahini and her parents were watching a television programme. 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.
What is first menstruation called? When does it occur?
Given below is a flow chart showing ovarian changes during menstrual cycle. Fill in the spaces giving the name of the hormones responsible for the events shown.
Give a reason for the following:
The second half of the menstrual cycle is called the luteal phase as well as the secretory phase.
The onset of menstruation in a human female is called ______.
The first menstruation is called ______.
