#initial-load-header-loader { visibility: hidden!important; } #initial-load-content { visibility: visible!important; } .expandable .expandable-control { display: none!important; } .expandable .expandable-content { display: block!important; visibility: visible!important; max-height: none!important; height: auto!important; }

nephrostome

[nef-ruh-stohm]

noun

Zoology. the ciliated opening of a nephridium into the coelom.

Embryology. a similar opening from the coelom into a tubule of the embryonic kidney.

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. 2019