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Question
Differentiate between vas deferens and vasa efferentia.
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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. |
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