Combination of microangiography and histochemistry.
D000792:Angiography; D000818:Animals; D001466:Barium Sulfate; D002196:Capillaries / Q000033:anatomy & histology*; D004822:Epididymis / Q000098:blood supply; D006651:Histocytochemistry; D008297:Male; D008722:Methods; D000644:Quaternary Ammonium Compounds; D051381:Rats; D013440:Sulfides; D013737:Testis / Q000098:blood supply
D000644:Quaternary Ammonium Compounds; D013440:Sulfides; D001466:Barium Sulfate