nephridium
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nephridium |
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| navigate by keyword : zoology worm white vector undefined terrestris terminal system structure septal science scheme schematic schema protonephridia praepinguis pheretima nephrostome nephridium nephridial nephridia morphology metanephridia material lumbricus lesson isolated internal excretory excrerory element educational earthworm duct diagram detail darnleiensis common canal biology background animal anatomy |
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| Scheme of septal nephridium of Pheretima earthworm for biology lesson |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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