Complete Definition of "metazoan"

English
Noun
metazoan
#zoology: Any animal that undergoes development from an embryo stage with three tissue layers, namely the ectoderm, mesoderm, and endoderm. The term applies to all animals except the sponges.

Adjective
metazoan
#Having to do with animals that develop from an embryo with three tissue layers.

See also
parazoan

zh:metazoan

Revision and Credits for"metazoan"
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