protonephridium 1
noundomain: body part
EnWordnet [ver.5.0]
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EnglishDefinition
A protonephridium is an excretory organ consisting of a network of dead-end tubules lacking internal openings found in the phyla Platyhelminthes, Nemertea and Rotifera.
Examples
- 1.The terminal cells are located at the blind end of the protonephridium.
