title: The disposition and innervation of atrioventricular ring specialized tissue in rats and rabbits.
mesh_terms: D000110:Acetylcholinesterase / Q000032:analysis; D000818:Animals; D001021:Aortic Valve / Q000294:innervation; D002802:Cholinesterases / Q000032:analysis; D006321:Heart / Q000294:innervation*; D006325:Heart Atria / Q000294:innervation; D006329:Heart Conduction System / Q000033:anatomy & histology*; D006651:Histocytochemistry; D008854:Microscopy, Electron; D008943:Mitral Valve / Q000294:innervation; D009417:Nerve Tissue / Q000032:analysis / Q000033:anatomy & histology; D011817:Rabbits; D051381:Rats; D014261:Tricuspid Valve / Q000166:cytology / Q000294:innervation
chemical_list: D000110:Acetylcholinesterase; D002802:Cholinesterases