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1、1,重点内容：颈总动脉的起始，行程及分支。锁骨下动脉主要分支的分布范围。上肢主要动脉及掌浅深弓的组成。腹部动脉成对和不成对脏支的分支分布。下肢的主要动脉。 难点内容：腹主动脉的分支、分布。,Section 3 Artery,2,Section 3 Artery,一、肺循环的动脉,（一）肺动脉干 Pulmonary Trunk,（二）动脉韧带 Artery Ligament,3,二、体循环的动脉,主动脉 Aorta,1. 起止：起于主动脉口止于第四腰椎体下缘水平,2. 区分,Ascending aorta,Aorta arch,Thoracic aorta,Abdominal aorta,Com
2、mon Iliac artery,4,（一）升主动脉 Ascending Aorta,1. 起止：起自左心室主动脉口，至第二胸肋关节水平延续为主动脉弓。,2. 分支,左冠状动脉 Left coronary artery,右冠状动脉 Right coronary artery,5,（二）主动脉弓 Aorta Arch,凸侧从右向左,头臂干Brachiocephalictrunk,左锁骨下动脉 Left subclavian artery,分支,起止 ：自第二胸肋关节水平起始， 弯向左后方，至第四胸椎体下缘水平，续于胸主动脉。,左颈总动脉 Left common carotid artery,6,
3、1. 颈总动脉 Common Carotid Artery,颈内动脉 Internal carotid artery,颈外动脉 External carotid artery,颈动脉窦 Carotid sinus,颈动脉小球 Carotid glomus,甲状腺上A、舌A、面A、颞浅A、上颌A,脑膜中动脉,分支,7,3. 腋动脉 Axillary Artery,4. 肱动脉 Brachial Artery,发出肱深动脉Deep brachial artery ，分布于臂肌,肱深动脉,2. 锁骨下动脉 Subclavian Artery,主要分支有：椎动脉、胸廓内动脉、甲状颈干甲状腺下动脉,8,
4、5. 桡动脉 Radial Artery,6. 尺动脉 Ulnar Artery,9,7. 掌浅弓和掌深弓,（1）掌浅弓 Superficial palmar arch,（2）掌深弓 Deep palmar arch,掌浅弓,掌深弓,10,（三）胸主动脉 Thoracic Aorta,（1）壁支,（2）脏支,肋间后动脉,肋下动脉,支气管支食管支 心包支,1. 起止,2. 分支,11,1. 壁支,（1）腰动脉,（2）膈下动脉,发出肾上腺上动脉，分布于肾上腺,（四）腹主动脉 Abdominal Aorta,12,2. 脏支,成对,不成对,肾上腺中动脉 Middle suprarenal arter
5、y,肾动脉Renal artery,睾丸动脉 Testicular artery 卵巢动脉 Ovarian artery,腹腔干 Coeliac trunk,肠系膜上动脉 Superior mesenteric artery,肠系膜下动脉 Inferior mesenteric artery,肾上腺下动脉,13,14,腹腔干 Coeliac Trunk,胃左动脉 Left gastric artery,肝总动脉Common hepatic artery,脾动脉 Splenic artery,肝固有动脉 Proper hepatic artery,胃十二指肠动脉Gastroduodenal ar
6、tery,胆囊动脉,胃右动脉 Right gastric artery,胰十二指肠上动脉,胃网膜右动脉,胃后动脉,胃短动脉,胃网膜左动脉,15,16,17,18,肠系膜上动脉 Superior Mesenteric Artery,肠系膜下动脉 Inferior Mesenteric Artery,Jejunal arteries,Ileal arteries,Right colic artery,Middle colic A,Left colic A,Superior rectal A,Sigmoid crteries,19,结肠缘动脉,20,（五）髂总动脉 Common Iliac Arte
7、ry,1. 髂内动脉 Internal Iliac Artery,分支,壁支,脏支,脐动脉 Umbilical artery,直肠下动脉 inferior rectal artery,阴部内动脉 Internal pudendal artery,子宫动脉 Uterine artery,闭孔动脉 Obturator artery,臀上动脉 Superior gluteal artery,臀下动脉 Superior gluteal artery,21,子宫动脉,子宫圆韧带,22,2. 髂外动脉 External Iliac Artery,3. 股动脉 Femoral Artery,4. 腘动脉 Popliteal Artery,胫前动脉 Anterior tibial artery胫后动脉 Posterior tibial artery,23,5. 胫后动脉 Posterior Tibial Artery,分支,腓动脉 Peroneal Artery,足底内侧动脉,足底外侧动脉,24,6. 胫前动脉 Anterior Tibial Artery,7. 足背动脉 Dorsal Artery of Foot,
