Action of propranolol on the atrial cardiomyocytes of rats submitted to cold stress.

@article{Lopes1992ActionOP,
  title={Action of propranolol on the atrial cardiomyocytes of rats submitted to cold stress.},
  author={A C Lopes and L Borrotchin and W. da Silva Sasso and L J Didio},
  journal={Journal of submicroscopic cytology and pathology},
  year={1992},
  volume={24 2},
  pages={187-91}
}
Subcellular changes of the atrial cardiomyocytes of rats caused by cold showed a) altered mitochondria with edema and lysis of crests; b) myofibrils with marked heterogeneity of patterns and ruptures, c) myofilaments disarrangement, partial necrosis and disintegration of filaments, d) lesser concentration of atrial granules in the perinuclear area. Atrial… CONTINUE READING