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nephrostome

[nef-ruh-stohm]
noun
  1. Zoology. the ciliated opening of a nephridium into the coelom.
  2. Embryology. a similar opening from the coelom into a tubule of the embryonic kidney.
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Origin of nephrostome

First recorded in 1885–90; nephro- + -stome
Related formsne·phros·to·mous [nuh-fros-tuh-muh s] /nəˈfrɒs tə məs/, neph·ro·sto·mi·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018