Canadian Medical Guide > Organisms > Animals > Chordata Terms and Definitions
Chordata
Medical Definition: | Phylum in the domain Eukarya, comprised of animals either with fully developed backbones (VERTEBRATES), or those with notochords only during some developmental stage (CHORDATA, NONVERTEBRATE). |
Previously Indexed: | Animals (1963-1999),Chordata, Nonvertebrate (2000-2003) |
Chordata, Nonvertebrate - A portion of the animal phylum Chordata comprised of the subphyla Cephalochordata, UROCHORDATA, and HYPEROTRETI, but not including the Vertebrata (VERTEBRATES). It includes nonvertebrate animals having a NOTOCHORD during some developmental stage. | |
Vertebrates - Animals having a vertebral column, members of the phylum Chordata, subphylum Craniata comprising mammals, birds, reptiles, amphibians, and fishes. |
Chordata Medical Definitions and Terms
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