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Specialized hollow excretory or osmoregulatory structure composed of one or several small cells containing a tuft of flagella and situated at the end of a minute tubule; connected tubules ultimately open to the outside. Usually found in platyhelminthes

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Specialized hollow excretory or osmoregulatory structure composed of one or several small cells containing a tuft of flagella and situated at the end of a minute tubule; connected tubules ultimately open to the outside. Usually found in platyhelminthes





 
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