1·Lung airway tree is the gas transport channels between pulmonary capillary vessel and atmosphere.
肺气管树是人体肺毛细血管与大气之间进行气体交换的通道。
2·And it could promote NO and NOS synthesis and secretion and might relax capillary vessel and raise the permeability of blood-brain barrier and enhance its effect on brain tissue.
酸枣仁汤能增加血液及脑组织NOS含量，促进NO的生成，提示其可能通过舒张毛细血管，增大血脑屏障通透性，从而提高酸枣仁汤对脑组织的作用。
3·Micro cycle means the blood circulation of the capillary vessel between micro artery and micro vein; it is a net for the nutrition, water and toxin exchanging.
微循环是指微动脉和微静脉之间毛细血管网的血液循环，是血液与组织细胞进行营养、水分、毒素等交换的场所。