triradiate slit 三射缝
triradiate calcareous spicule 三射石灰骨针
triradiate ridge 三射脊
triradiate lines 三向辐射线
ADJ having or consisting of three rays or radiating branches 三射线的; 有三射分支的 [biology]
The Risser sign was measured according to both the United States and European grading systems. Digital skeletal age was calculated, and triradiate cartilage ossification was assessed.
根据美国和欧洲的分级系统测量标志的里塞尔，计算数字骨龄，评估软骨骨化。
A new system with three groups was tested, and the second group (Risser 0 with closed triradiate cartilage and Risser 1) was the best predictor of a digital skeletal age score of between 400 and 425.
一个新的系统分三组进行了测试，第二组(里塞尔0与封闭三叶形软骨和里塞尔1)能够最佳预测400至425之间的数字骨龄评分。
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