Entry from British & World English dictionary
- Their outer ends are covered over by a dermal poriferous membrane.
- Fixed to the same spot in the ocean as the tree to the land, the nutritive surface of the poriferous animal is always in contact with the water.
- In many specimens the anterior petals are delicate and the anterior poriferous zone narrows markedly towards the apical system.
Mid 19th century: from Latin porus 'pore' + -ferous.
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