Difference between Malpighian tubule and Nephridia
Difference between Malpighian tubule and Nephridia are in tabular form below –
No. |
Malpighian tubule |
Nephridia |
Definition |
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1. | A long tubular structure which helps insects in excretion and osmoregulation, and it is a primary excretory organ of insects, this is referred as Malpighian tubule. | A coiled tubules which is originated from ectodermal, segmentally arranged, ciliated internally, found in pair and is an invertebrate organ, this is referred as Nephridia. |
Ciliated or Not |
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2. | Malpighian tubules are non-ciliated. | Nephridia are ciliated. |
Open up and Occurrence |
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3. | This open into the alimentary canal and occurs in insects. | This open up to the body cavity and occurs as worms. |
Production |
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4. | Uric acid is produced by the Malpighian tubule. | Urine is produced by the Nephridia. |
Filtration and Secondary function |
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5. | Malpighian tubule do not show filtration function but it acts as transporting channel to their lumen. | Nephridia is responsible for filtering cell fluids but do not show Secondary function |
Examples |
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6. | Examples are terrestrial arthropods and insects. | Examples are molluscs and worms. |