title: Filaments and ribbons in vertebrate smooth muscle.
mesh_terms: D015502:Absorptiometry, Photon; D000818:Animals; D006168:Guinea Pigs; D008854:Microscopy, Electron; D009129:Muscle Tonus; D009130:Muscle, Smooth / Q000032:analysis* / Q000166:cytology; D009210:Myofibrils; D009218:Myosins / Q000032:analysis*; D013696:Temperature; D014961:X-Ray Diffraction
chemical_list: D009218:Myosins