† pseudostomosisn.
Zoology. Obsolete. rare.
The formation of a pseudostome in a sponge.
ΚΠ
1887 W. J. Sollas in Encycl. Brit. XXII. 416/1 In some sponges..secondary independent openings, deceptively like oscules, are added. This pseudostomosis is due to a folding of the entire sponge, so as to produce secondary canals or cavities.
Derivatives
ΚΠ
1890 Cent. Dict. Pseudostomotic, characterized by or exhibiting pseudostomosis; provided with pseudostomes or false oscules, as a sponge.
This entry has been updated (OED Third Edition, September 2007; most recently modified version published online June 2021).
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