scheme tuft pharyngeal nephridia with blood glands pheretima earthworm |
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| navigate by keyword : excretory system pharyngeal nephridial nephridia earthworm pheretima praepinguis darnleiensis nephridium nephrostome metanephridia structure protonephridia morphology anatomy worm schematic common lumbricus terrestris diagram scheme schema biology lesson animal vector isolated white detail element zoology science educational material internal background blood glands tuft |
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| Scheme of tuft of pharyngeal nephridia with blood glands of Pheretima earthworm for biology lesson. Diagram of excretory system of earthworm |
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