Question

Tell me the details of seminal vesicle in earthworm?​

Answer 1

Explanation:

=> A pair of seminal vesicle is found in earthworm.

=> The first pair is on 11 segment and second pair on 12 segment.

=> Each seminal vesicle is connected to testis sac by a pair of tubules.

=> The process of spermatogenesis occurs in seminal vesicle only in spermatogonia.

Answer 2

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• In earthworms, the maturation of sperms takes place in seminal vesicles.

• Earthworms contain two pairs of large white sac like seminal vesicles in the 11th and 12th segments respectively.
• The testis sac of the 10th segment communicates with the two seminal vesicles of the 11th segment.
• Whereas the testis sacs of the 11th segment communicates with the two seminal vesicles of the 12th segment.
• Spermatogonia undergo maturation division to form spermatozoa or sperm.
• Maturation of sperm takes place in the seminal vesicles.