- microic
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adj. [Gr. mikros, small; eidos, like](ANNELIDA: Oligochaeta)Smaller than macroic, a substitute for micronephridial, often applied to nephridia as large as or larger than meganephridia.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.