Assertion: vertebral column's vertebra | /r/HasProperty | 24 presacral vertebrae
Facets:
Source sentences:
text: The vertebral column usually consists of 33 vertebrae: 24 presacral vertebrae (7 cervical, 12 thoracic, and 5 lumbar) followed by the sacrum (5 fused sacral vertebrae) and the coccyx (4 frequently fused coccygeal vertebrae).