2.主要内容 Main contents Artery >颈总动脉 Common carotid artery >颈外动脉及其分支 External carotid artery and its branches >颈内动脉 eNternal carotid artery Vein >颈内静脉及其属支 Internal jugular vein and its tributaries Nerve >舌下神经及其降支 Hypoglossal nerve and its descending branch >副神经 Accessory nerve >迷走神经及其分支 Vagus nerve and its branches 二腹肌后腹 Posterior belly of digastric２. 主要内容 Main Contents • Artery ➢颈总动脉 Common carotid artery ➢颈外动脉及其分支External carotid artery and its branches ➢颈内动脉Internal carotid artery • Vein ➢颈内静脉及其属支 Internal jugular vein and its tributaries • Nerve ➢舌下神经及其降支Hypoglossal nerve and its descending branch ➢副神经Accessory nerve ➢迷走神经及其分支Vagus nerve and its branches • 二腹肌后腹 Posterior belly of digastric