Skip to Content


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

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.