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目的：本文旨在探讨未成年者上肢骨骨化中心的大小与年龄间的关系，为法医依据骨骼推断死亡年龄提供依据。方法：对２９４名年龄在１～１５岁间的儿童青少年拍摄肩、肘、腕部的Ｘ线片８８２张，用直脚规在Ｘ线片上测量各骨化中心的最大径。结果：肱骨头、肱骨小头、桡骨上端和下端、尺骨下端等部位的骨化中心大小随年龄的增长而变大，呈正相关。结论：本项研究证实了儿童青少年上肢骨骨化中心的大小与年龄间存在着确定的关系，并为法医利用骨化中心大小推断年龄提供了依据，也为人类学研究积累了资料。
Objective: The purpose of this article is to investigate the relationship between the size of the ossification center and the age of the lower limbs in juveniles, and to provide basis for forensic diagnosis of the age of death based on the skeleton. Methods: A total of 882 X - ray films of shoulders, elbows and wrists were taken from 294 children and adolescents between the ages of 1 and 15 years. The maximal diameter of each ossification center was measured on the X - ray film with a straight foot. Results: The size of the ossification center of the humeral head, the humeral head, the upper and lower ends of the radius, the lower ulna and other parts of the ulna increased with age and were positively correlated. CONCLUSION: This study confirms that there is a definite relationship between the age of ossification centers and upper limb ossification centers in children and adolescents. It also provides a basis for forensic doctors to infer the age based on the size of the ossification center and accumulates data for anthropological studies.