
The Nephrostome is the funnel-like component of a metanephridium. It is always oriented towards the coelom. The nephrostome is covered from the inside with cilia, which push the water, metabolic wastes, unnecessary hormones and other substances into the metanephridium. ...
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http://en.wikipedia.org/wiki/Nephrostome

• (n.) The funnelshaped opening of a nephridium into the body cavity. • (n.) The funnelshaped opening of a nephridium into the body cavity.
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http://thinkexist.com/dictionary/meaning/nephrostome/

(from the article `archinephros`) ...segment, connects the body cavity with the Wolffian ducts. Each tubule is ciliated where it opens into the body cavity, and a knot of capillaries ...
Found on
http://www.britannica.com/eb/a-z/n/26
Neph'ro·stome noun [ Greek ... a kidney + mouth.]
(Zoology & Anat.) The funnel-shaped opening of a nephridium into the body cavity.
Found on
http://www.encyclo.co.uk/webster/N/15

the ciliated opening of a nephridium into the coelom. · a similar opening from the coelom into a tubule of the embryonic kidney.
Found on
https://www.infoplease.com/dictionary/nephrostome
No exact match found.