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出典:Wikipedia
出典:『Wikipedia』 (2011/05/09 18:16 UTC 版)
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.
Nephrostome