title: Rabbit heart nodal tissue, sinuatrial ring bundle and atrioventricular connexions indentified as a neuromuscular system.
mesh_terms: D000818:Animals; D002802:Cholinesterases / Q000032:analysis; D005260:Female; D006325:Heart Atria / Q000033:anatomy & histology; D006329:Heart Conduction System / Q000033:anatomy & histology* / Q000201:enzymology; D008297:Male; D011817:Rabbits / Q000033:anatomy & histology*; D012849:Sinoatrial Node / Q000033:anatomy & histology* / Q000166:cytology / Q000201:enzymology; D014683:Vena Cava, Superior / Q000033:anatomy & histology
chemical_list: D002802:Cholinesterases