Metazoa
Pronunciation: met′ă-zō′ă
Definition: A subkingdom of the kingdom Animalia, including all multicellular animal organisms in which the cells are differentiated and form tissues; distinguished from the subkingdom Protozoa, or unicellular animal organisms.
[meta- + G. zōon, animal]
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Examples: glitazone, GI cocktail, etc.

