title: The atrioventricular valves of the guinea-pig. I. A light microscopic study.
mesh_terms: D000110:Acetylcholinesterase / Q000032:analysis; D000818:Animals; D002395:Catecholamines / Q000032:analysis; D003239:Connective Tissue Cells; D006168:Guinea Pigs / Q000033:anatomy & histology*; D008853:Microscopy; D008943:Mitral Valve / Q000033:anatomy & histology* / Q000098:blood supply / Q000294:innervation; D009411:Nerve Endings / Q000201:enzymology*; D010210:Papillary Muscles / Q000098:blood supply / Q000166:cytology / Q000201:enzymology; D013564:Sympathetic Nervous System / Q000033:anatomy & histology; D014261:Tricuspid Valve / Q000033:anatomy & histology* / Q000098:blood supply / Q000294:innervation
chemical_list: D002395:Catecholamines; D000110:Acetylcholinesterase