heterozooid

heterozooid

[‚hed·ə·rō′zō‚ȯid]
(invertebrate zoology)
Any of the specialized, nonfeeding zooids in a bryozoan colony.
References in periodicals archive ?
Most generally there are two types of zooids: autozooids, which are present in all species, are specialized for feeding and digestion; heterozooids, which are not found in all species, function in defense, attachment, and reproduction.