About: http://webisa.webdatacommons.org/336117100

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	Higher atomic weight structures (bone) absorb and block the radiation, thus do not result in the exposure of the silver halide grains in the film emulsion, and so bony structures such as the ribs appear white (transparent).
http://www.w3.org/ns/prov#wasQuotedFrom	yale.edu