【摘要】 本文采用南京市1444名健康儿童青少年(男4～22岁,女4～21岁)30项手、腕部骨化指标聚类划分不同的生长发育期。根据计算结果以分成四期较为合理。即: 1) 童年期:男4～10岁,女4～8岁。2) 青春发育初期:男11～14岁,女9～12岁。3) 青春发育中期:男15～17岁,女13～15岁。4) 青春发育后期:男18～22岁,女16～21岁。更多还原

【Abstract】 Thirty oseification indicators in the band-wrist portion of 1444 healthy abolescents(age: boys 4-22 years, girls 4-21 years) in Nanjng area are clustered and divided into different growth and developmental stages. The conclusion is that the whole growth and development period shuuld be divided into the following four stages:1). Childhood: boys 4-10 years, girls 4-8 years.2). Eariy abolescent stage: boys 11-14 years, girls 9-12 years.3). Middle ablcescent stage: boy 15-17 years, girls 13-15 years.4). Late adloedcent stage: boys 18-22 years, girls 16-21 years.更多还原