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
Describe the T.S. of human testis
find odd one from following: Thymine, Cytosine, Adenine, Pepsin.
Write in sequence, the regions which a mature sperm travels from the seminiferous tubules up to the urethral opening in the human male.
Given below is the schematic diagram of the sectional view of the human male reproductive system.
Name the parts numbered 1-11.
Give the functions of the following:
Testes
Explain the term Androgens.
Explain the term Vasectomy.
Find an odd one out.
How is the semen produced?
Cowper's gland is homologous in function to ______
The spermatozoa from seminiferous tubules pass into ______.
How many spermatozoa will be produced from 10 million spermatids?
In the process of spermatogenesis, first maturation division is called ______.
In human males, the testes lie in the scrotum, because it helps in the ______
Identify A, B, C, D, in the given diagram of the human reproductive system:
Write briefly about the Testis.
List two roles of Seminal vesicles and prostate gland in the human reproductive system.
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 |
State very briefly the chief function of the following:
Seminal vesicles
Choose the odd one out from the group of terms given below and write the category for the remaining terms:
