title: Venous circulation of the human cardiac conduction system.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001283:Atrioventricular Node / Q000033:anatomy & histology; D002648:Child; D017023:Coronary Angiography; D003331:Coronary Vessels / Q000033:anatomy & histology*; D005260:Female; D006329:Heart Conduction System / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D012849:Sinoatrial Node / Q000033:anatomy & histology; D014680:Veins / Q000033:anatomy & histology; D014699:Venules / Q000033:anatomy & histology