(圖1-29)左喉返神經(jīng)發(fā)自左迷走神經(jīng),繞主動(dòng)脈弓返回頸部;右喉返神經(jīng)發(fā)自右迷走神經(jīng),繞右鎖骨下動(dòng)脈返回。左、右迷走神經(jīng)均沿氣管與食管間的溝上行返回頸部,其終末支稱為喉下神經(jīng),運(yùn)動(dòng)纖維支配除環(huán)甲肌以外的所有喉肌。左、右 (共 357 字) [閱讀本文] >>
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 (圖1-29)左喉返神經(jīng)發(fā)自左迷走神經(jīng),繞主動(dòng)脈弓返回頸部;右喉返神經(jīng)發(fā)自右迷走神經(jīng),繞右鎖骨下動(dòng)脈返回。左、右迷走神經(jīng)均沿氣管與食管間的溝上行返回頸部,其終末支稱為喉下神經(jīng),運(yùn)動(dòng)纖維支配除環(huán)甲肌以外的所有喉肌。左、右 (共 357 字) [閱讀本文] >>