Advertisements
Advertisements
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. | ______ |
Advertisements
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
Explain the events that occur in a graafian follicle at the time of ovulation and thereafter.
The human female gonads are ovaries. A maturing egg in the ovary is present in a sac of cells called ______ (1). As the egg grows larger, the follicle enlarges and gets filled with a fluid and is now called the ______ (2) follicle. The process of releasing the egg from the ovary is called ______ (3). The ovum is picked up by the oviducal funnel and fertilization takes place in the ______ (4). In about a weak the blastocyst gets fixed in the endometrium of the uterus and this process is called ______ (5).
Calculate the number of spermatozoa produced by a single primary spermatocyte.
When does the following step take place?
Luteal phase is also known as ____________.
On the fourteenth day of the menstrual cycle the female gamete released is _____.
Secretion of progesterone by corpus luteum is initiated by ______.
In the human female, menstruation can be deferred by the administration of ______.
Define ovulation.
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?
