Near the point where ossification is going on (upper right corner) the cartilage cells become larger and the cartilage matrix becomes calcified (purple instead of pale pink here, as stained in H &E).

• 图中，右上角的软骨基质染紫色，表示已钙化（在H&E染色中，显深红色的部分），其附近的软骨细胞变得肥大。