| 1. | having vertebrae; having a backbone or spinal column. |
| 2. | belonging or pertaining to the Vertebrata (or Craniata), a subphylum of chordate animals, comprising those having a brain enclosed in a skull or cranium and a segmented spinal column; a major taxonomic group that includes mammals, birds, reptiles, amphibians, and fishes. |
| 3. | a vertebrate animal. |
Animals that have a spinal cord enclosed in a backbone.
Note: The five traditional classes of vertebrates are amphibians, birds, fishes, mammals, and reptiles. (Compare invertebrates.)
Note: Human beings are vertebrates.
vertebrate ver·te·brate (vûr'tə-brĭt, -brāt')
adj.
Having a spinal column.
Of or characteristic a vertebrate.
| vertebrate (vûr'tə-brĭt, -brāt') Pronunciation Key
Any of a large group of chordates of the subphylum Vertebrata (or Craniata), characterized by having a backbone. Vertebrates are bilaterally symmetrical and have an internal skeleton of bone or cartilage, a nervous system divided into brain and spinal cord, and not more than two pairs of limbs. Vertebrates have a well-developed body cavity (called a coelom) containing a chambered heart, large digestive organs, liver, pancreas, and paired kidneys, and their blood contains both red and white corpuscles. Vertebrates include fish, amphibians, reptiles, birds, and mammals. |