Anatomy, Back, Vertebral Column - StatPearls - NCBI Bookshelf
https://www.ncbi.nlm.nih.gov/books/NBK525969/
WEBAug 8, 2023 · The vertebral column (spine) defines the animal subphylum Vertebra, or vertebrates, of the phylum Chordata. In humans, it is composed of 33 vertebrae that include 7 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 4 coccygeal. Along with the skull, ribs, and sternum, these vertebrae make up the axial skeletal system. Go to: Structure …
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