Histological characteristics of secondary ossification center in fetus femur 胎儿股骨次级骨化中心的组织学特征
Secondary ossification center 次级骨化中心
Primary ossification center 初级骨化中心
Results : the order ofthe normal carpal bone ossification center appearance and epiphyses fusing was obtained 结果:得出哈萨克族正常手、腕部各骨骨化中心出现及干骺愈合顺序。
The appearance of the ossification centers andfusing of the epiphyses in the female occur 1 - 3 years earlier than in the male 双手骨化中心出现及干骺愈合男、女性有区别,女性早于男性1 3岁。
百科解释
The first step in ossification of the cartilage is that the cartilage cells, at the point where ossification is commencing and which is termed an ossification center, enlarge and arrange themselves in rows.Gray and Spitzka (1910), page 44.