About: http://webisa.webdatacommons.org/273738920

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	s substantially toroidal and defines a central opening, which central opening of the toroidal surface defines the open channel through which body fluids, such as blood, may flow.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com