As an adaptive result, the myocardial capillary densities of the left ventricular myocardium in IHA rats were 1.5 times of those in normoxic control rats, but there was no apparent ventricular hypertrophy in IHA rats.

• 作为适应的结果；IHA大鼠左心室心肌毛细血管密度约为常氧大鼠的1.；5倍；但没有发现明显的心室肥大