Assertion: cannula | /r/HasProperty | hollow tube
Facets:
value: basically
type: DEGREE
Source sentences:
text: A cannula is basically a hollow tube that fits into some type of opening on the body to allow something, usually fluids or air, to be moved in or out of the hole.
text: A trocar (or trochar) is a medical or veterinary device that is made up of an obturator (which may be a metal or plastic sharpened or non-bladed tip), a cannula (essentially a hollow tube), and a seal.