#rib.bone__costa any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates)
supertype: bone__os rigid connective tissue that makes up the skeleton of vertebrates
subtype: true_rib one of the first seven ribs in a human being which attach to the sternum
part: costal_cartilage
part of: vertebrate__craniate animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
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