Assertion: vertebra | /r/HasProperty | irregular bone
Facets:
value: with a complex structure
type: OTHER
value: in the vertebrate spinal column
type: LOCATION
Source sentences:
text: In the vertebrate spinal column, each vertebra is an irregular bone with a complex structure composed of bone and some hyaline cartilage, the proportions of which vary according to the segment of the backbone and the species of vertebrate.
text: Each vertebra is an irregular bone.