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Definitions of spinal column
Definition that contains spinal column
  • float an air-filled sac near the spinal column in many fishes that helps maintain buoyancy
  • spineless lacking a backbone or spinal column
  • vertebra one of the bony segments of the spinal column
  • vertebrate animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
  • vertebrate having a backbone or spinal column
  • invertebrate lacking a backbone or spinal column
  • cephalochordate fish-like animals having a notochord rather than a true spinal column
  • swim bladder an air-filled sac near the spinal column in many fishes that helps maintain buoyancy
  • intervertebral disk a fibrocartilaginous disc serving as a cushion between all of the vertebrae of the spinal column (except between the first two)
  • chordate any animal of the phylum Chordata having a notochord or spinal column
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