Metazoa

Definition of Metazoa

Met`a`zo´a
n. pl.1.(Zool.) Those animals in which the protoplasmic mass, constituting the egg, is converted into a multitude of cells, which are metamorphosed into the tissues of the body. A central cavity is commonly developed, and the cells around it are at first arranged in two layers, - the ectoderm and endoderm. The group comprises nearly all animals except the Protozoa.

Related Words

animal kingdom, Animalia, Cnidaria, Coelenterata, kingdom Animalia, metazoan, phylum Cnidaria, phylum Coelenterata, subkingdom, subkingdom Metazoa
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Metasternum
Metastoma
Metatarsal
Metatarse
Metatarsus
metate
Metatheria
metatherian
Metathesis
Metathetic
Metathoracic
Metathorax
Metatitanic
Metatungstate
Metatungstic
Metavanadate
Metavanadic
Metaxylene
Metayage
Metayer
-Metazoa-
Metazoan
Metazoic
Metazoon
Mete
Metecorn
Metely
Metempiric
Metempiricism
Metempirics
Metempsychose
Metempsychosis
Metemptosis
Metencephalon
Metensomatosis
Meteor
Meteoric
Meteoric iron
Meteoric paper
Meteoric showers
Meteoric stones
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