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प्रश्न
Differentiate between vas deferens and vasa efferentia.
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उत्तर
| Sr. No. | Feature | Vasa efferentia | Vas deferens |
| 1. | Origin | These ducts arise from the rete testis within the testis. | This duct arises from the tail (cauda) of the epididymis. |
| 2. | Structure | They are a collection of fine, ciliated ductules. | It is a single, thick, and partially coiled muscular tube. |
| 3. | Function | They transport spermatozoa from the testis into the epididymis. | It conducts spermatozoa from the epididymis to the ejaculatory duct. |
| 4. | Number | There are usually 12 to 20 ductules present in each testis. | There is only one single tube for each testis. |
संबंधित प्रश्न
Expand the following biological abbreviations: TSH
Put a tick mark (✓) against the correct alternative in the following statement:
Identify the stage which is formed after the fertilisation of the egg by the sperm?
State the function of Seminal vesicle.
Differentiate between spermatogenesis and spermiogenesis.
Give the names.
Hormones related with the male reproductive system.
Differentiate
Urinogenital duct and Ureter.
The diagram shown below is the lateral section of the testis of man. Study it carefully and answer the questions that follow:
(i) Label the part I to 4 of the diagram.
(ii) State the functions of the parts labeled 1 and 2.
Multiple Choice Question:
If the vas deference of a man are surgically disconnected or removed.
In the male reproductive system, the vasa efferentia opens into the ______.
ln the reproductive system of a male human being, the ejaculatory ducts open into ________.
Sertoli cells are regulated by the pituitary hormone known as ______.
Which of the following hormone maintains the function of male sex accessory gland and ducts?
Match between the following representing parts of the sperm and their functions and choose the correct option.
| Column A | Column B | ||
| A. | Head | i. | Enzymes |
| B. | Middle piece | ii. | Sperm motility |
| C. | Acrosome | iii. | Energy |
| D. | Tail | iv. | Genetic material |
The correct sequence of organs in the male reproductive system for transport of sperms is
Give two reasons for the appearance of variations among the progeny formed by sexual reproduction.
Crypts of Lieberkuhn are absent in ______.
Which of the following provides a proof for forensic test in case of rape?
State very briefly the chief function of the following:
Seminal vesicles
The thin-walled sac of skin in which testis descends is ______.
The figure given ahead is an organ system of humans. Study the same and answer the following questions.
 |
- Identify the organ system.
- Label the guidelines 1 to 7.
- Write one important role of parts 3 and 6.
- Name the cells of part 1 that produce testosterone.
- What is the significance of the part 1 being located in a separate sac suspended outside the body?
