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प्रश्न
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. | ______ |
उत्तर
| Structure | Function | ||
| 1. | Corpus luteum | 1. | It acts as an endocrine gland and secretes hormones like oestrogen, progesterone, and relaxin. |
| 2. | Testes | 2. | Produces male gametes in mass |
| 3. | Leydig cells | 3. | It produces the male hormone testosterone. |
| 4. | Epididymis | 4. | Stores the sperms until they mature and become mobile |
| 5. | Umbilical cord | 5. | A cord containing blood vessels connects the placenta with the foetus. |
| 6. | Fallopian tube | 6. | The site of fertilisation for the sperm and ovum. |
संबंधित प्रश्न
State the names of four hormones which control menstrual cycle.
Detection of which hormone in urine is an indicator of pregnancy?
Calculate the number of spermatozoa produced by a single primary spermatocyte.
All occur during follicular phase of menstrual cycle, EXCEPT
Menstruation is triggered by a sudden decline in the amount of hormone secreted by corpus luteum. Identify the hormone.
Exit from the cell cycle and remain dormant for long time by a cell is represented by one of the following phases of the cell cycle:
What are the events taking place in the ovary and uterus during follicular phase of the menstrual cycle.
The graph given below shows the number of primordial follicles per ovary in women at different ages. Study the graph and answer the questions that follow.
- What is the average age of the women at the onset of menopause?
- At what age are maximum primordial follicles present in the ovary, according to the given graph?
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 ______.
