Also found in: Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.
Related to Metazoa: Eumetazoa


(ˌmɛt əˈzoʊ ə)

a zoological group comprising the multicellular animals.
[1870–75; < New Latin; see meta-, -zoa]
met`a•zo′an, adj., n.
met`a•zo′ic, met`a•zo′al, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Metazoa - multicellular animals having cells differentiated into tissues and organs and usually a digestive cavity and nervous systemMetazoa - multicellular animals having cells differentiated into tissues and organs and usually a digestive cavity and nervous system
animal kingdom, Animalia, kingdom Animalia - taxonomic kingdom comprising all living or extinct animals
metazoan - any animal of the subkingdom Metazoa; all animals except protozoans and sponges
Cnidaria, Coelenterata, phylum Cnidaria, phylum Coelenterata - hydras; polyps; jellyfishes; sea anemones; corals
subkingdom - (biology) a taxonomic group comprising a major division of a kingdom
References in periodicals archive ?
GnRH and GnRH receptors in metazoa: a historical, comparative, and evolutive perspective.
Trochophore concepts: ciliary bands and the evolution of larvae in spiralian Metazoa. Biol.
In order to further quantitative assessment of the assembly and annotation completeness, we applied the BUSCO v1.22 (Simao et al., 2015) with default setting and downloaded from Ensembl Metazoa as the reference.
Theme: World-Class Underpinning Bioscience During the initial stages of development in metazoa, a single population of cells is split into a series of separate sub-populations.
Apparently, the adhesome evolved during the major wave of biotic innovation that occurred with the origin of Metazoa. Adhesomes consist of ECM components, ECM proteases, and cell surface receptors, all of which are broadly conserved throughout the Metazoa [6].
This is particularly interesting if it's seen in perspective, especially when we think that animals (Metazoa) are just one of some dozen freely developing groups of multicellular organisms.
Regulation of heme biosynthesis and transport in metazoa. Sci China Life Sci 2015;58:757-64.
Evidence for multiple reversals of asymmetric mutational constraints during the evolution of the mitochondrial genome of Metazoa, and consequences for phylogenetic inferences.
Among the topics are microtubules and associated proteins, how actin-based adhesion modules mediate cell interactions with extracellular matrix and neighboring cells, mechanical properties of the cytoskeleton and cells, the intracellular motility of intermediate filaments, and cytokinesis in metazoa and fungi.