Methods The platysma was divided into four musculocutaneous regions on 30 adult cadavers infused with red latex,the arteries of each region were observed by anatomic microscope.

• 方法在30具灌注红色乳胶的成人尸体上，将颈阔肌分为四个肌皮区，借助解剖显微镜观察了各区的动脉来源。结果舌骨上肌皮区的血供主要靠面动脉，另外有颈外动脉、耳后动脉和枕动脉；