axial skeleton

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the part of the skeleton that includes the skull and spinal column and sternum and ribs
• Hypernyms:
skeletal structure
• Part Holonyms:
endoskeleton
• Part Meronyms:
sternum, breastbone, skull, rib cage, spinal column,
vertebral column, spine, backbone, back, rachis