espina dorsal

Definitions of espina dorsal
  1. noun
    the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
    synonyms: columna vertebral, espinazo, esquena, raquis, rosario
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    types:
    notocordio
    a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates
    urocordio
    a notochord of a larval tunicate typically confined to the caudal region
    type of:
    esqueleto, osamenta
    any structure created by the skeleton of an organism
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