01 n. An individual zooid of a bryozoan coralline, of which there may be two or more kinds in a single colony. The zoœcia usually have a wreath o…
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An individual zooid of a bryozoan coralline, of which there may be two or more kinds in a single colony. The zoœcia usually have a wreath of tentacles around the mouth, and a well developed stomach and intestinal canal; but these parts are lacking in the other zooids (Avicularia, Oœcia, etc.).(Zool.)