pyknosis

1.scleral fibroblastic nuclear chromatin pyknosis, rough endoplasmic reticulum distention, mitochondria turgescence;

纤维细胞核染色质固、粗面内质网扩张、粒体肿胀;

2.the electron transmission areas in the cytoplasm have increased in scope and cytoplast pyknosis exists;

胞浆内出现透电子区的范围增大，胞质固；

3.The senescent chondrocytes were distributed in the central zone whereapoptotic morphological characteristics obviously appeared, such as pyknosis, karyorrhexis.

气管软骨中央带多见衰老的软骨细胞，并见明显核固、核碎裂等细胞凋亡形态学特征。