Definitions | metazoan |
| noun - (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 - Having to do with animals that develop from an embryo with three tissue layers.
Supplemental Details:Sponsor an extended definition for metazoan for as little as $10 per month. Click here to contact us.
| |
|