autocentrum
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asterospondylous vertebra — a type of vertebra with radiating, star like calcifications extending to the chordacentrum and autocentrum, e.g. in some Elasmobranchii … Dictionary of ichthyology
tectospondylous — a type of vertebral centra (and arches) with several concentric ossifications instead of just one, extending to the chordacentrum, arcocentrum and autocentrum. Found in skates and rays … Dictionary of ichthyology
vertebra — (plural vertebrae)) bony or cartilaginous elements surrounding the notochord or replacing it and often protecting the spinal cord and caudal vein. Vertebrae are composed of a centrum formed from two pleurocentra and two intercentra or parts of… … Dictionary of ichthyology
vertebra asterospondyla — (plural vertebrae asterospondylae)) asterospondylous vertebra (a type of vertebra with radiating, star like calcifications extending to the chordacentrum and autocentrum, e.g. in some Elasmobranchii) … Dictionary of ichthyology
vertebra tectospondyla — (plural vertebrae tectospondylae)) tectospondylous vertebra (vertebral centra (and arches) with several concentric ossifications instead of just one, extending to the chordacentrum, arcocentrum and autocentrum. Found in skates and rays) … Dictionary of ichthyology
