the distribution of developed silver grains sensitized by the 45ca ( 45ca grains ) was found to be 38 % in the mitochondria , 43 % in the myofibrils and 19 % in the other regions ( 8 % in the cytoplasma and 11 % in the various membranous structures ) in the frog muscle cell incubated in the 45ca-ringer 's solution .
C0026237
mitochondria
C0010834
cytoplasma