Noun:

1. blood found in the veins;

   "except in the pulmonary vein venous blood is rich in carbon dioxide and poor in oxygen"
   

venous hum静脉哼鸣venousadj.静脉的；有脉纹的venous hypertension静脉高压venous incompetence静脉功能不全venous air embolism静脉气泡栓塞venous sinus defect静脉窦缺损venous return blood静脉回心血液venous pulse pickup静脉搏动换能器venous sinus septum静脉窦隔venous filling time静脉充盈时间venous fishes sting毒鱼刺伤Venous complications静脉并发症

1. Except in the pulmonary vein venous blood is rich in carbon dioxide and poor in oxygen.
   除了在肺静脉，静脉血中二氧化碳含量多而氧气含量少。
2. Varicoceles is a condition like varicose veins where the blood vessels in the scrotum become tangled and swollen.
   精索静脉曲张就是阴囊的静脉血回流所经过的精索静脉变得扭曲和扩张。