nephrostome

noun

neph·​ro·​stome ˈne-frə-ˌstōm How to pronounce nephrostome (audio)
: the ciliated funnel-shaped coelomic opening of a typical nephridium

Word History

Etymology

New Latin nephrostoma, from nephr- + stoma stoma

First Known Use

1888, in the meaning defined above

Time Traveler
The first known use of nephrostome was in 1888

Browse Nearby Words

Cite this Entry

“Nephrostome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nephrostome. Accessed 3 Mar. 2025.

Medical Definition

nephrostome

noun
neph·​ro·​stome ˈnef-rə-ˌstōm How to pronounce nephrostome (audio)
variants also nephrostoma
plural nephrostomes also nephrostomata -mət-ə How to pronounce nephrostome (audio)
: the ciliated funnel-shaped coelomic opening of a typical nephridium

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