Assertion: chordate's nerve cord | /r/HasProperty | hollow
Facets:
value: with pairs of nerves
type: OTHER
Source sentences:
text: Vertebrates also have a nerve cord that is hollow.
text: Dorsal nerve cord: a hollow tube that in most differentiates into a brain anteriorly and a spinal cord posteriorly
text: Chordates have a dorsal nerve cord, that is hollow, and gill slits in the region of the pharynx at some stage during development.
text: The chordate nerve cord is hollow, with pairs of nerves branching from it at intervals and running to the muscles.
text: Dorsal nerve cord: a hollow tube that usually becomes a brain and a spinal cord