EntityQ6849688· pop 25· linked from 481 articlescontrast agentSign in to savesubstance used in medical imaging to enhance the contrast of structures or fluids within the bodyConnectionsX-rayEntitygastrointestinal tractEntityradiocontrast agentEntitymicroparticleEntityMRI contrast agentEntitybloodEntitynitrogenEntitylungEntityboneEntityproteinEntityiodineEntitymuscleEntitybariumEntitynervous systemEntityvaccineEntitymetabolismEntityantibioticEntityvitaminEntitygadoliniumEntitycirculatory systemEntityCategoriesContrast agents