title: Coexistence of dyads and triads in an adult striated muscle.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D003386:Brachyura / Q000033:anatomy & histology*; D008854:Microscopy, Electron; D009132:Muscles / Q000166:cytology*; D009210:Myofibrils; D012519:Sarcoplasmic Reticulum