Assertion: chordate's notochord | /r/HasProperty | bare rudiments of a backbone
Facets:
Source sentences:
text: The lamprey has a few cartilaginous blocks around the notochord that constitute the bare rudiments of a backbone; a cartilage framework supports the gill region, and there is a rudimentary cartilage braincase.
text: The lamprey has a few cartilaginous blocks around the notochord that constitute the bare rudiments of a backbone; a cartilage framework supports the gill region, and there is a rudimentary cartilage braincase.