The gynovalvular plates in female cockroach are modification of :[RPMT...
In female cockroach, the 7th sternum is produced backward into a pair of large oval apical lobes or gynovalvular plates which form a keel-like structure. This rounded keel at once distinguishes the female from the male.
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The gynovalvular plates in female cockroach are modification of :[RPMT...
In female cockroach, the 7th sternum is produced backward into a pair of large oval apical lobes or gynovalvular plates which form a keel-like structure
The gynovalvular plates in female cockroach are modification of :[RPMT...
Explanation:
Gynovalvular Plates in Female Cockroach
The gynovalvular plates in female cockroaches are a modification of the 7th sternum.
Modification of 7th Sternum
- The gynovalvular plates are specialized structures that are part of the female reproductive system in cockroaches.
- These plates are located on the ventral side of the 7th sternum, which is the underside of the 7th segment of the cockroach's abdomen.
- The gynovalvular plates play a crucial role in the reproductive process of female cockroaches.
Function of Gynovalvular Plates
- The gynovalvular plates are involved in the process of egg-laying in female cockroaches.
- They help in the formation of the egg case, also known as the ootheca, which protects the eggs laid by the female cockroach.
- The gynovalvular plates also aid in the fertilization of the eggs by facilitating the transfer of sperm from the male to the female during mating.
Conclusion
In conclusion, the gynovalvular plates in female cockroaches are a specialized modification of the 7th sternum. These structures are essential for the reproductive success of female cockroaches by assisting in egg-laying and fertilization processes.
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