Morphological changes were found in immu nized rabbits such as the enlargement of ventricles, myofibrillar lysis and necr osis, mitochondria swelling and condensation.

• 形态学方面免疫组动物心脏显示有明显改变，如室腔的扩大，灶性肌丝溶解、坏死，线粒体数目增多、肿胀和聚集，等等。