面部浅层结构Thesuperficialstructuresofface(P.377-379),眶上缘颧弓外耳门上缘-颞骨乳突连线,1.皮肤skin富含有:皮脂腺sebaceousglands,汗腺sweatglands,毛囊hairfollicles,和丰富血供bloodsupplying.2)薄而富弹性,2.浅筋膜superficialfascia皮下组织疏松:*颊脂体(在颊部)*在睑,皮下组织少而疏松,2)面血管thefacialvessels面动脉facialarteryP.379起自颈外a.;行向内上,经二腹肌和下颌下腺深面;咬肌前缘与下颌骨下缘相交处转至面部(迂曲走行)经口角,鼻翼外侧达内眦更名为内眦A.伴行面V.左右面A.间有丰富吻合压搏点:,(2)面V.facialvein内眦处起自内眦V.,伴面A.(V在A.后方),在下颌骨下缘与下颌后V前支汇合后注入颈内V.,面V.特点.无V.瓣.与海绵窦交通经内眦V眼V海绵窦经面深V翼丛海绵窦面部“危险三角”:鼻根与两侧口角所围成.,(3)颞浅A.superficialtemporala.颈外A.(下颌颈
