title: An ultrastructural study of small granule-containing cells in the heart of the monkey (Macaca fascicularis).
mesh_terms: D000818:Animals; D001283:Atrioventricular Node / Q000166:cytology; D003594:Cytoplasmic Granules / Q000187:drug effects / Q000648:ultrastructure*; D006652:Histological Techniques; D006892:Hydroxydopamines / Q000494:pharmacology; D008251:Macaca / Q000033:anatomy & histology*; D008252:Macaca fascicularis / Q000033:anatomy & histology*; D008854:Microscopy, Electron; D009206:Myocardium / Q000166:cytology / Q000648:ultrastructure*; D012849:Sinoatrial Node / Q000166:cytology; D013572:Synaptic Vesicles / Q000648:ultrastructure
chemical_list: D006892:Hydroxydopamines