Metanephridium Notes: Definitions & Explanations PDF | Download eBooks
Study Metanephridium lecture notes PDF with biology definitions and explanation to study What is Metanephridium?. Study metanephridium explanation with biology terms to review biology course for online degree programs.
Metanephridium Definition:
Metanephridium are excretory organs in mollusks that remove metabolic wastes from the hemolymph.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Metanephridium Notes:
A metanephridium is a type of excretory gland found in many types of invertebrates such as annelids, arthropods and Mollusca. It typically consists of a ciliated funnel opening into the body cavity or coelom connected to a duct which may be variously glandularized, folded or expanded and which typically opens to the organism's exterior. These ciliated tubules pump water carrying surplus ions, metabolic waste, toxins from food, and useless hormones out of the organism by directing them down funnel-shaped bodies called nephrostomes. This waste is passed out of the organism at the nephridiopore.
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