恰在肘弯下方，肱动脉两个分支中较小的一支，它沿前臂的桡侧行至腕部，然后向后绕过腕的外侧，在第一第二掌骨之间进入手掌，形成掌深弓。桡骨是人类前臂靠拇指一边的骨或鱼类以上的脊椎动物前肢的相应部分。
桡骨 [解剖] radius ; radio ; spoke bone
桡动脉 [解剖] radial artery ; radial ; Coronary
桡神经 musculospiralis ; radialis ; [解剖] nervus radialis
桡足类 Copepoda ; eurytemora affinis
桡曲度 deflection
肱桡肌 [解剖] brachioradialis ; brachioradialis muscle ; Brachioradial muscleBrachiora
桡骨下端骨折 Colles Fracture ; fracture of the distal radius ; Colles s Fracture ; Fracture of lower end of radius
桡骨远端骨折 distal radius fracture ; fracture of the distal radius ; distal fracture of radius ; radial fracture
桡骨头 radial head ; [解剖] Caput radii
另一群以桡脚类动物（小型甲壳类动物）和虾为食。
the other group feeding on copepods (small crustaceans) and shrimp.
在街上遇见一个孩子，只要他有了十五岁而没有住处，就送去当桡手。
A child was encountered in the streets; provided that he was fifteen years of age and did not know where he was to sleep, he was sent to the galleys.
一个人在教会行列走过时头上还戴着帽子，这是新教徒的态度，该送去当桡手。
A man kept his hat on in the presence of a procession — it was a Huguenot attitude; he was sent to the galleys.
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