气管软骨中央带多见衰老的软骨细胞,并见明显核固缩、核碎裂等细胞凋亡形态学特征。
The senescent chondrocytes were distributed in the central zone where apoptotic morphological characteristics obviously appeared, such as pyknosis, karyorrhexis.
所述驱动带轮(60)具有接收所述轴的中央开口(29)。
The drive sprocket (60) has a central opening (29) for receiving the shaft.
应用推荐