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1、颈部一、概述二、浅层结构三、颈部深筋膜四、颈前区五、胸锁乳突肌区六、颈根部七、颈侧区January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG一、概述境界：内容：January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG颈部分区：项部固有颈部（颈部）颈前
2、区胸锁乳突肌区颈侧区January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG舌骨上区:下颌下三角颏下三角舌骨下区:颈动脉三角肌三角颈前区：January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG胸锁乳突肌区颈侧区：枕三角锁骨上大窝January,20
3、07Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG二、浅层结构1.颈阔肌2.浅静脉3.皮神经January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG1.颈阔肌起点：三角肌和胸大肌表面的筋膜。止点：口角颈阔肌深面有浅静脉和皮神经。January,2007Copyri
4、ght©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG2.浅静脉①颈前静脉注入颈外静脉②颈外静脉注入锁骨下静脉或静脉角January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG3.皮神经(1)为颈丛的皮支:①颈横神经②耳大神经③枕小神经④锁骨上神经颈部麻醉点：(2)面神经颈支Janua
5、ry,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG三、颈部深筋膜分浅、中、深三层。January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG包裹二肌二腺，形成肌鞘和腺鞘。二肌：斜方肌胸锁乳突肌二腺：下颌下腺腮腺1.深筋膜浅层（封套筋膜）January,20
6、07Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG位于舌骨下肌群的后方，上附于舌骨，下续纤维性心包，分二层包绕甲状腺，形成甲状腺鞘。2.深筋膜中层（气管前筋膜）January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG上自颅底，下续前纵韧带与胸内筋膜，并向下外包绕腋
7、血管及臂丛，形成腋鞘。3.深层（椎前筋膜）January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG为包绕颈部大血管和迷走神经的筋膜鞘。颈动脉鞘：January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG颈动脉鞘内上部有颈内动脉、下部有颈总动脉，颈内静脉
8、位于动脉的外侧，迷走神经位于两者之间的后方。January,2007Copyright©Depart.Anatomy,Sc
