一例52岁男性死于心供血不足的日本尸体内发现本变异,主动脉弓分支类型正常,左颈总动脉上行高至第二颈椎水平分为颈内与颈外动脉、左颈总动脉自下而上依次发出甲状腺上动脉、舌动脉,面动脉及咽升动脉。左颈外动脉发出耳后动脉并发出上颌动脉及颞浅动脉两终支。左颈内 A 52-year-old man died of cardiac insufficiency in Japanese corpses found this mutation, the aortic arch type is normal, the left common carotid artery ascending to the second cervical level is divided into the internal carotid and external carotid artery, the left common carotid artery from the bottom up Followed by the thyroid artery, lingual artery, facial artery and pharyngeal ascending artery. The left external carotid artery sends out the posterior ear artery and sends the maxillary artery and superficial temporal artery. Left internal neck