主要内容 Main Contents 体表投影 The surface projection 颈外侧区 The lateral region of the neck >枕三角 The occipital triangle >锁骨上三角 The supraclavicular triangle 颈根部 The root of the neck主要内容 Main Contents • 体表投影 The surface projection • 颈外侧区 The lateral region of the neck ➢枕三角 The occipital triangle ➢锁骨上三角 The supraclavicular triangle • 颈根部 The root of the neck