title: Optical diffraction study of muscle fibers. I. A theoretical basis.
mesh_terms: D000818:Animals; D001001:Anura; D004560:Electricity; D007537:Isometric Contraction; D008027:Light; D008433:Mathematics; D008954:Models, Biological; D009119:Muscle Contraction; D009132:Muscles; D009210:Myofibrils; D012542:Scattering, Radiation