ABSTRACT
Spectral analysis demonstrated that a different distribution in relation to the same internal standard existed between the mineral composition of mitochondria and whole tissue of the guinea pig adrenal glands. Being involved in the stress reaction adrenal mitochondria reacted by the changes of their element composition. Two regularities are established: an interrelation between individual elements, and the same direction of the changes in definite groups of elements (P, Fe, Ca, Cu, Mg). There was noted a fluctuating increase in the P, Fe, Ca, Cu and Mg content in the mitochondrial structures. Comparative analysis of the changes in the chemical element composition of mitochondria of the adrenal glands and the liver under conditions of nonspecific hypophysis-adrenal system stimulation pointed to a definite organic specificity.