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madreporite
[ mad-ruh-pawr-ahyt, -pohr-, muh-drep-uh-rahyt ]
noun
- a sievelike plate in certain echinoderms, through which water passes into the vascular system.
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Word History and Origins
Origin of madreporite1
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Example Sentences
There are five prominent mouth-shields and a separate madreporite on the ventral surface.
From Project Gutenberg
Note on the aboral surface of the disk a small striated calcareous plate, the madreporite or madreporic plate.
From Project Gutenberg
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