Table of Contents
Cockroach Excretory System Short Notes
In this article we will discuss about the cockroach excretory system
Cockroach Excretory System
- Excretory system help in removal of waste substance from heamolymph.
- Main excretory organ is malpighian tubules
- These are yellow coloured, thin, filamentous located at the junction of midgut and hind gut.
- 100-150 malpighian tubules are present
- They are lined by glandular and ciliated epithelium
- Excretory substance mainly in the form of potassium urate
- Potassium urate converted into uric acid by the cells of cuboidal epithelium
- Uric acid is finally released into alimentary canal
- Water absorbed by hind gut and excretory materials along with undigested food is released outside.
- They are enteronephric
Other Excretory Organs
- Fat bodies: urate cells are scattered among the fat body and store uric acid so its called storage excretion
- Uricose gland: These help in excretion in male cockroach only. Uricose glands are found associated with the mushroom-shaped gland. These can also store uric acid and discharge it at the time of copulation over the spermatophore.
- Nephrocytes: either side of hearts & they are also called pericardial cells
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- Cockroach Circulatory System Short Notes
- Cockroach Reproductive System Short Notes
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