Advertisements
Advertisements
Question
Differentiate between vas deferens and vasa efferentia.
Advertisements
Solution
| 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. |
APPEARS IN
RELATED QUESTIONS
Name the various organs of the male reproductive system of man.
What differences are there in number, structure, and activity of the male and female gametes in a man?
Differentiate
Urinogenital duct and Ureter.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Tubectomy involves the cutting and tying of the vas deferens in males.
Write the functional activity of the following structure:
Cowper’s gland
Name the secondary sex organs in males.
What is the enzyme present in the acrosome of sperm?
In the male reproductive system, the vasa deferens joins the ____________.
Secretions from which one of the following are rich in fructose, calcium, and some enzymes?
Which one of the following is not a male accessory gland?
Seminal plasma, the fluid part of semen, is contributed by.
- Seminal vesicle
- Prostate
- Urethra
- Bulbourethral gland
In human males, the testes lie in the scrotum, because it helps in the
Give two reasons for the appearance of variations among the progeny formed by sexual reproduction.
What are the components of semen?
Assertion (A): Testes in human males are located outside the abdominal cavity in scrotum.
Reason (R): Scrotum provides a lower temperature than the normal body temperature for sperm formation.
What is the significance of the testes being located in scrotal sacs outside the abdomen?
Match the items given in Column I with the most appropriate ones in Column II and rewrite the correct matching pairs:
| Column I | Column II | ||
| (a) | Leydig Cells | 1. | Lack of thyroxine in children |
| (b) | Stoma | 2. | 12 pairs |
| (c) | Ova | 3. | Testosterone |
| (d) | Cranial nerve | 4. | Diffusion of respiratory gases |
| (e) | Cretinism | 5. | Haploid cells |
| 6. | 31 Pairs | ||
| 7. | Diploid cells |
What is the primary function of Leydig cells (interstitial cells)?
What is formed by the junction of the vas deferens and the seminal vesicle duct?
The seminal vesicles are paired glands located at which position relative to the urinary bladder?
