Protonephridium

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Structure of the protonephridium (excretory organ) of a flatworm. A, part of the excretory apparatus of a tapeworm; R, edge of body; c, collecting tubules. B, terminal cells with flame of cilia. C, diagram of terminal cell, excretory capillary, and canal.

Keywords

worm, flatworm, tapeworm, protonephridium, "excretory system"

Galleries

Worms

Source

Beach, Fredrick Converse The Encyclopedia Americana (New York, NY: The Americana Company, 1903)

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