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ne·phrid·i·um
 nephridium
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- pronunciation:
- n
frI
di
m
| part of speech: |
noun |
| inflections: |
nephridia |
| definition 1: |
the excretory organ found in many invertebrates.
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| definition 2: |
the rudiment of an excretory organ of a vertebrate embryo, which later develops into a kidney.
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| derivation: |
nephridial (adj.) |
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