Definition of Metazoa in English:


Line breaks: Meta|zoa
Pronunciation: /ˌmɛtəˈzəʊə


  • 1A major division of the animal kingdom that comprises all animals other than protozoans and sponges. They are multicellular animals with differentiated tissues.
    • Subkingdom Metazoa, kingdom Animalia
    More example sentences
    • Not only Metazoa, but other multicellular clades such as Fungii and Metaphyta, must also be organized so that their basic body parts-differentiated cell types-are assembled into a hierarchy of functional associations.
    • Now, based on the study with protein molecules, Fungi are regarded as the nearest-neighbor kingdom of the Metazoa, a conclusion which is supported by others.
    • Belt desmosomes are the constituent character of the Epitheliazoa, the next higher taxon above the Porifera within the Metazoa, comprising the taxa Placozoa and Eumetazoa.
  • 1.1 (metazoa) Animals of the Metazoa division.
    More example sentences
    • These results suggest that insulin-like genes have coevolved with the appearance of the metazoa (multicellular animals with differentiated tissues).
    • Cnidarians may be informative about body plan evolution in the metazoa both because of what they share with bilaterians and what they lack.
    • Consider the possibility that the destruction of the Drosophila model will prove generally true, if not for all organisms perhaps, then at least for metazoa.


modern Latin (plural), from meta- (expressing change) + Greek zōia (plural of zōion 'animal').

More definitions of Metazoa

Definition of Metazoa in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day maelstrom
Pronunciation: ˈmeɪlstrəm
a powerful whirlpool in the sea