别称 环指通称无名指，亦称药指。 位置 是第四只手指，位于中指与小指之间，长度与食指相若。 名字来历 结婚后就会将人由无名份而变成有名份，所以就叫无名指；在西方文化中，无名指是用作戴戒指的手指。
目的：寻求修复中、环指脱套伤的新方法。
Objective: Providing a new method of repairing the middle and ring-digit degloving injury.
示指、中指和环指是最常累及的手指，而拇指常完全不受累。
The index, middle, and ring finger are the most frequently involved digits, while the thumb is often spared entirely.
研究结果表明：（1）直型拇指、环指长、长型指甲、足趾长的特征出现率均大于50%；
The results showed as follows: (1)The high-frequency (>50%) traits were straight-pollical type, relative length of annularis over index, long-nail form, plantar digital formula;
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