《英漢醫(yī)學(xué)詞典》metacarpal bone index 掌骨指數(shù) metacarpal bone: 掌骨metacarpal index: 掌骨指數(shù):右手第二、三、四、五,掌骨之長(zhǎng)度除以它們中點(diǎn)寬度,求得平均數(shù).正常5.4~7.9.若大于8.4即為蛛狀手指base of metacarpal bone: 掌骨底body of metacarpal bone: 掌骨體corpus metacarpale{拉}closed fracture of metacarpal bone: 掌骨閉合性骨折下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯