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प्रश्न
Name and explain the role of the inner and middle walls of the human uterus.
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उत्तर
The inner glandular wall of the uterus is known as endometrium.
Role - During the menstrual cycle, the endometrium wall grows into a thick, blood vessel-rich, glandular layer. This condition of the endometrium favours the implantation of the foetus. If fertilisation does not occur, the endometrium is shed during the hemorrhagic phase of the menstrual cycle.
The middle wall of the uterus is known as myometrium.
Role- It consists of smooth muscles. It brings about contraction while delivery of the baby.
संबंधित प्रश्न
Describe the role of pituitary and ovarian hormones during the menstrual cycle in a human female.
Name the Following
The term used when females stop menstruation at the age of 45-50 years.
The life of corpus luteum is generally about ______ days in the absence of pregnancy
Mainly which type of hormones control the menstrual cycle in human beings?
Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female?
Define ovulation.
Which of the following events is not associated with ovulation in human females?
Why are menstrual cycles absent during pregnancy?
Given below is the diagram depicting the menstrual cycle in human beings. Study it carefully and answer the questions that follow.
- Which phases are indicated by ‘C’ and ‘D’?
- Name the structures labelled ‘F’. What is its role?
- Explain the changes in the level of progesterone during phases ‘C’ and ‘D’.
- Which hormone present in the urine confirms pregnancy in human beings?
- Identify the structure labelled ‘E’. Name the hormone released by it.
Match Column I and Column II with respect to the menstrual cycle.
| Column I | Column II |
|---|---|
| i. Menstrual phase | c. Secretion of inhibin |
| ii. Follicular phase | b. Development of the primary follicle |
| iii. Ovulatory phase | a. Rapid secretion of LH |
| iv. Secretory phase | d. Secretion of estrogen |
Choose the correct option.
