vein-lymph静脉性淋巴组胚.ppt

Veins ; Systemic veins Superficial表皮 veins and deep深层 veins Superficial veins Lies in the subcutaneous皮下 fascia, not paired with artery Cooling降温 of the body Used for transfuse输血, catheterize and phlebotomize ; Deep veins Accompany the arteries with the same name and same supplying area Usually two or three in number Carry the vast majority of the blood ;Venous valve静脉瓣 Paired, semilunar半月形, open towards the heart Numerous多 in the limbs四肢, especially in the lower limbs A few or absent in head, neck, thorax, abdomen肚子 and pelvis骨盆;The Systemic Veins;Superior vena cava Drains 排走the blood from the head, neck, upper limb, thorax and part of the abdominal wall Formed by right and left brachiocephalic头臂 veins Receives the azygos单奇 vein;Brachiocephalic vein Formed by internal固有 jugular vein and subclavian vein behind the sternoclavicular joint胸锁骨关节 The angle of the union联合 is termed the venous angle静脉角 ;Internal jugular vein Begins at the jugular foramen颈静脉孔 Intra-cranial tributaries 内颅侧支流Collects blood from the meninges, skull, brain Extra-cranial tributaries Collects blood from superficial parts of face and much of the neck Keeps open;Facial脸 vein Begins at the medial angle of the eye Receives the anterior division of the retromandibular下颌后静脉 vein Drains into the internal jugular vein Collects the blood from the anterior part of face;Angular具梭 vein; Facial vein has no valves above the corners of the mouth Facial Infection may lead to intracranial inflammations 颅内发炎through connections with cavernous sinus “dangerous area”, don’t sqeeze the acne;Retromandibular vein ;External jugular vein The greatest superficial vein in the neck;basilic vein ;Cephalic头侧 vein Begins in the radial 桡骨part of the dorsal venous rete of hand Ascends along the radial side廉 Pierces the deep fascia to join in the axillary腋窝 vein or subclavian vein;Basilic vein Begins in the ulnar 尺侧part of the dorsal venous rete of hand Asce