title: Heart morphological changes in rats placed in a crowded environment.
abstract: A group of rats were stressed by placing them in a crowded environment. Examination of the hearts showed the following anatomic changes: (1) increased weight; (2) occlusion of capillaries by platelet thrombi; (3) endothelial swelling of capillaries; and (4) swelling and deformity of mitochondria.
mesh_terms: D000818:Animals; D001792:Blood Platelets / Q000502:physiology; D003441:Crowding / Q000502:physiology*; D006321:Heart / Q000033:anatomy & histology*; D008297:Male; D008929:Mitochondria, Heart / Q000502:physiology; D008933:Mitochondrial Swelling; D009206:Myocardium / Q000648:ultrastructure; D009929:Organ Size; D051381:Rats