porocyten.
/ˈpɒrə(ʊ)sʌɪt/, U.S. /ˈpɔrəˌsaɪt/ Zoology.
Any of the perforated cells which extend through the body wall of a sponge and enable water to pass through the tissue.
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the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > other specific cells in sponges
myocyte1887
pinacocyte1887
scleroblast1887
porocyte1898
1898 E. A. Minchin in Q. Jrnl. Microsc. Sci. 40 485 The especial functions and consequent peculiar form of the pore-cells, or porocytes, as they may be termed generally,..enable us to regard the pore-cells as constituting a distinct class of cell-elements.
1932 L. A. Borradaile & F. A. Potts Invertebrata iii. 111 Other cells, known as porocytes, of a conical shape, extend through the jelly, having their base in the covering layer.
1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) II. 393/1 Cells called porocytes..pierce the walls [of calcareous sponges] at intervals and allow water to enter the central cavity.
2000 Jrnl. Exper. Marine Biol. & Ecol. 247 86 The whole body [of a sponge] functions as a filter. The water flows via numerous ostia (formed by porocytes) into branching channels, which end in choanocyte chambers generating the water flow.
This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).
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