nephrostoma

(redirected from nephrostomas)

nephrostoma

 [nĕ-fros´to-mah]
one of the ciliated funnel-shaped orifices of the excretory tubules that open into the coelom in the embryo; best seen in lower vertebrates.

ne·phros·to·ma

, nephrostome (ne-fros'tō-mă, nef'rō-stōm),
One of the ciliated funnel-shaped openings by which pronephric and some primordial mesonephric tubules communicate with the celom.
[nephro- + G. stoma, mouth]