title: [The junctions of the sinoatrial fascicle in frogs].
abstract: The demonstration of gap-junctions on frog atria muscle similar to those described on mammalian myocardium has been controversed. En bloc staining with uranyl acetate allows us to show such gap junctions on this tissue.
mesh_terms: D000818:Animals; D001001:Anura; D007365:Intercellular Junctions / Q000648:ultrastructure; D008854:Microscopy, Electron / Q000379:methods; D011893:Rana esculenta / Q000033:anatomy & histology*; D012849:Sinoatrial Node / Q000648:ultrastructure*; D013194:Staining and Labeling
vernacular_title: Etude des jonctions des faisceaux sino-auriculaires de grenouille