secondary sex characters

美 [ˈsekənderi seks ˈkærɪktərz]英 [ˈsekəndri seks ˈkærɪktəz]

1

Secondary sex characters in plants

植物的第二性征肾上腺性征综合症
2

Years late , she appeared first vaginal bleeding , since 6 year old , her secondary sex characters developed , height growth acceleration ;

4岁首次阴道流血，6岁开始第二性征发育，生长加速；
3

In 436 healthy boys aged from 7 to 17 , an investigation of the 14 ossification indicators and the secondary sex characters was carried out . Their relationship with the testes growth spurt was also studied .

本文报告了436名7&17周岁健康男性儿童少年手、腕部14项骨化指标及第二性征与睾丸生长突增之间的关系。