scintigraphy
noun
scin·tig·ra·phy sin-ˈti-grə-fē 
: a diagnostic technique in which a two-dimensional picture of internal body tissue is produced through the detection of radiation emitted by a radioactive substance administered into the body
scintigraphic
ˌsin-tə-ˈgra-fik
adjective 
Word History
Etymology
scintillation + -graphy; from the scintillation counter used to record radiation on the picture
First Known Use
1957, in the meaning defined above
Medical Definition
scintigraphy
noun
scin·tig·ra·phy sin-ˈtig-rə-fē
plural scintigraphies
: a diagnostic technique in which a two-dimensional picture of internal body tissue is produced through the detection of radiation emitted by a radioactive substance administered into the body
myocardial scintigraphy