Metazoa


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Related to Metazoa: Eumetazoa

Metazoa

 [met″ah-zo´ah]
the division of the animal kingdom that includes the multicellular animals, i.e., all animals except the Protozoa. adj., adj metazo´al, metazo´an.

Met·a·zo·a

(met'ă-zō'ă),
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]

Metazoa

/Meta·zoa/ (met″ah-zo´ah) that division of the animal kingdom embracing the multicellular animals whose cells differentiate to form tissues, i.e., all animals except the Protozoa.metazo´almetazo´an

metazoa

[-zō′ə]
Etymology: Gk, meta + zoon, animal
a classification that includes animals that have tissues and organs. All animals except sponges are metazoa.

metazoa

A multicellular animal with a nervous system and tissues. The widely preferred term is “animal”.

Met·a·zo·a

(met'ă-zō'ă)
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]

metazoa

All the members of the animal kingdom that consist of more than one cell. All animals more complex than the one-celled PROTOZOA.

Metazoa

the division of the animal kingdom that includes the multicellular animals, i.e. all animals except the Protozoa.
References in periodicals archive ?
In Group B, the pre-treatment AEC and C3d values of the 15 patients with metazoa and those of 11 patients with protozoa were not significantly different.
Smith, Dictyostelium provides a simple model in which to study conserved cellular processes, and illuminates a period in the evolutionary history of the metazoa after the divergence of the plants but before that of the fungi.
The handbook covers the various types of microorganisms used in treating wastewater, such as bacteria, protozoa, metazoa, algae, and fungus, and examines their specialized functions in the treatment process.
ANIMALIA 1,320,000 MESOZOA METAZOA 1,320,000 Porifera (sponges) 10,000 Cnidaria (hydras, jellyfish, corals, etc) 10,000 Platyhelminthes (flatworms) 20,000 Nematoda (roundworms) 25,000 Echinodermata (sea uchins, etc.
Early embryonic development in metazoa is characterized by cascades of gene expression that initially define the dorsoventral and anteroposterior axes.
A study of the chromosomes of the germ cells of Metazoa.