Cytochrome oxidase reaction area of capillary mitochondria ( Ae ) was smaller , whereas volume density of enzyme reaction ( Vve ) was bigger than those of type ⅱ alveolar cells .
毛细血管线粒体细胞色素氧化酶阳性反应面积比Ⅱ型肺泡细胞小,但酶反应体密度大。