Metaphysis
（重定向自Metaphyses）
![](/Images/godic/202501/27/Structure_of_a_Long_Bone3401.png")
The metaphysis (/mətˈæfᵻsᵻs/) is the wide portion of a long bone between the epiphysis and the narrow diaphysis. It contains the growth plate, the part of the bone that grows during childhood and as it grows, it ossifies near the diaphysis and the epiphyses.