primary ossification center
美 [ˈpraɪmeri ˌɑːsɪfɪˈkeɪʃn ˈsentər]英 [ˈpraɪməri ˌɒsɪfɪˈkeɪʃn ˈsentə(r)]
- 网络初级骨化中心;骨化中心;初级骨化中习;化中习
primary ossification center-
Observation of primary ossification center of fetal cranium viscerale
胎儿面颅骨初级骨化中心的观察
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Objective To observe the occurring time of the primary ossification center of the fetus ' cranium viscerale .
目的观察胎儿面颅骨初级骨化中心出现的时间顺序。
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It was concluded that the cartilage canals of fetus play great roles in formation of secondary ossification center and exist in primary secondary ossification center .
说明胎儿股骨远端次级骨化中心初始时其内存在软骨管，软骨管对次级骨化中心的形成起作用。
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