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Medical Term:


Pronunciation: po-rif'er-a

Definition: a phylum of the Metazoa, comprising a group of sessile, aquatic animals possessing an endoskeleton and many branching canals, lined by flagellated collar cells; communication of the canals with the surface is made through many pores or through larger openings and oscula.

[L. porus, pore, + fero, to bear]

See Also: Parazoa

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