单词：babinski_sign 

名词

• 
  [1.n.babinski_sign] (同义词:[Babinski]  [Babinski_reflex]  [Babinski_sign]  )
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  注释列句：extension upward of the toes when the sole of the foot is stroked firmly on the outer side from the heel to the front; normal in infants under the age of two years but a sign of brain or spinal cord injury in older persons
• 上位词 -> [reflex( adj. 反射的, 反省的, 反作用的, 优角的 n. 反射, 反映, 映象 )]  [reaction( n. 反应, 反作用, 反动(力) )]  [bodily_process]  [organic_process]  [process( n. 过程, 作用, 方法, 程序, 步骤, 进行, 推移 vt. 加工, 处理 )]  [physical_entity]  [entity( n. 实体 )]