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 digastric
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
Accessory Hypoglossal External carotid nerve nerve artery Stylohyoid Nerve to mylohyoid Occipital artery Facial artery Sternocleidomastoid Submental artery Internal jugular vein Mylohyoid Internal carotid artery m Digastric, anterior belly Hyoid bone Lingual artery Thyrohyoid Internal laryngeal nerve External carotid artery External laryngeal nerve Vagus nerve Ansa cervicalis Omohyoid Inferior constrictor Superior thyroid artery Common carotid artery Sternohyoid 动脉:颈总动脉、颈外动脉及其分支(甲状腺上动脉、舌动脉、面动脉和枕动脉)和 颈内动脉。 静脉:颈內静脉及其属支 神经:舌下神经及其降支、副神经、迷走神经及其分支(喉上神经的外支和内支 二腹肌后腹
• 动脉：颈总动脉、颈外动脉及其分支（甲状腺上动脉、舌动脉、面动脉和枕动脉）和 颈内动脉。 • 静脉：颈内静脉及其属支 • 神经：舌下神经及其降支、副神经、迷走神经及其分支（喉上神经的外支和内支） • 二腹肌后腹 Common carotid artery Occipital artery
ypoglossal nerve同 Cervical nerve (C 21 antenor branch (1)颈总动脉 e Posterior auricular artery Paettnor auric ar nerve common Submental artery e carotid a 位于颈内静 Lingual artery垂 脉内侧,约 Extern carotid artery o 平甲状软骨 Supenor laryngeal artery垂 nsa cervcal, numenor supenor thyroid artery a Cervical nerve Ic 3i anterior ramus 上缘处分为 stemociedomastod brach e Cervical nerve c 4k: antenor amus 颈内动脉和 Supenor thyroid ven e Ansa cervicalis, inferior root Inferor limb Ascend ng cervcal artery e ●Tn cervical anery. 颈外动脉。 其重要结构 o Transversa cereal artery, deap branch Dorsal scapular anery 有颈动脉窦 unsc nerve e Extemal jugular vein Sciencs 和颈动脉小 e Subclavian ve Inferiot bulb垂 球。 o Pectorals m nor Common carotid artery a vanus nerve冈 pectoralis ru ee Thoracoacromial artery e Cephale ven
（１）颈总动脉 common carotid a. • 位于颈内静 脉内侧，约 平甲状软骨 上缘处分为 颈内动脉和 颈外动脉。 • 其重要结构： 有颈动脉窦 和颈动脉小 球
External carotid artery Glossopharyngeal Carotid glomus nerve 颈动脉小球 Internal carotid artery Carotid SInus nerve 网头部椭圆形 Carotid sinus 可 Carotid bod 操爱氧化碳 和氢离 验偻低 将质级加 Common 排装。血压下 carotid artery 降
Carotid sinus 颈动脉窦 Carotid glomus 颈动脉小球 •是颈总动脉末端 和颈内动脉起始 部膨大部分; •窦壁外膜有丰富 的游离神经末梢 称压力感受器; •当血压增高时， 窦壁扩张，刺激 压力感受器，可 反射性地引起心 跳减慢、末梢血 管扩张，血压下 降。 •是位于颈动脉杈的 后方的一个扁椭圆形 小体; •为化学感受器，可 感受血液中二氧化碳 分压、氧分压和氢离 子浓度变化； •当血中氧分压降低 或二氧化碳增高时， 反射性地促使呼吸加 深加快
External Carotid Artery and branches (2)颈外动脉 Schema Superficial temporal arten ransverse facial artery 起源:平甲状 Posterior auricular artery 软骨上缘起自 Maxillary artery 颈总动脉。 Digastric muscle (phantom) Facial artery ·行程:于颈内 动脉前内侧上 ungual artery 行。 Occipital arter stemocleidomastoid and descending branches 分支: Extemal carotid artery >甲状腺上动脉 >舌动脉 Intemal carotid artery upenor thyroid artery and supenor laryngeal branch >面动脉 枕动脉 咽升动脉 Ascending pharyngeal artery Omohyoid muscle(phantom) Common carotid artery Thyrocervical trunk
（2）颈外动脉 • 起源：平甲状 软骨上缘起自 颈总动脉。 • 行程：于颈内 动脉前内侧上 行。 • 分支： ➢ 甲状腺上动脉 ➢ 舌动脉 ➢ 面动脉 ➢ 枕动脉 ➢ 咽升动脉