title: Monaminergic and cholinergic innervation of the frog heart muscle.
mesh_terms: D000320:Adrenergic Fibers / Q000648:ultrastructure*; D000818:Animals; D001001:Anura; D002799:Cholinergic Fibers / Q000648:ultrastructure*; D005453:Fluorescence; D006321:Heart / Q000294:innervation*; D006892:Hydroxydopamines / Q000378:metabolism; D008854:Microscopy, Electron
chemical_list: D006892:Hydroxydopamines