About: http://webisa.webdatacommons.org/455970149

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	For example, the open cavity through which food travels down the esophagus to the stomach is a lumen.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.com