Assertion: coccyx | /r/HasProperty | formed
Facets:
value: from four rudimentary vertebrae
type: OTHER
Source sentences:
text: The coccyx is formed from four rudimentary vertebrae and does not contain a spinal canal, pedicles, laminae or spinous processes.
text: After that, the primitive streak and node become emaciated and reside in the sacral zone, in the last vertebrae, so that the coccyx is formed.