英文介绍中医
QI, BLOOD AND BODY FLUID OF MUTUAL CAUSALITY
气、血、津液的相互关系
尽管气、血、津液的 Despite their differences in nature, form and 性状及其功能各不相同，function, qi, blood and body fluid have something 但它们却有许多共同之in common with each other. They are the basic 处。三者均为构成人体和materials that constitute the human body and 维持人体生命活动的基本maintain life activities; they all derive from 物质。它们均来自水谷精cereal essence; they, physiologically, depend on 气。在生理上，它们相互each other for existence and restrain and utilize 依存、相互制约、相互为each other; they, pathologically, act upon each 用；在病理上，它们相互other and have causality between them. 影响，互为因果。
Qi and blood are closely related. Qi is the 气血紧密相关。气为"commander" of blood, and blood is the "mother" 血之帅，血为气之母。气of qi. As the commander of blood, for one thing, 为血帅，一方面因为气是qi is the motive power for blood formation, or 血液形成的原动力；另一rather, it produces blood. Blood is formed from 方面是由于气可生血。血mutritive qi and body fluid, both of which come 由营气和津液形成，后两from food and water. All these cannot be separated 者都源于水谷。而以上这from the functions of qi. Blood circulation 些都离不开气的作用。血depends on the propelling function of heart-qi. 液循行依赖气的推动功For another, qi controls blood and keep it 能，另一方面，气摄血，flowiing in the blood vessels without 维持血行于脉中不致外extravasation. This function of qi is performed 溢。气的此项功能由脾气by spleen-qi. When qi is deficient, it fails to 来执行。气虚不能摄血可control blood, thus leading to hemorrhage. Blood 导致出血。所谓“血为气is referred to as the mother of qi because, on the 之母”，是因为，一则，one hand, blood is a carrier of qi; and on the 血以载气；二则，血为气other, blood provides adequate nutrients for qi. 提供充足的营养。因此，Therefore, it is impossible for qi to exist 如无气之母－血，则气也without its"mother", blood. 不可能存在。
The relationship between qi and body fluid is 气和津液的关系与气rather similar to that between qi and blood. This 和血的关系非常相似。这is shown in the following four aspects. First, qi 可以从以下四方面表明。produces body fluid. The formation, distribution 第一，气生津。津液的形and excretion of body fluid depend upon all the 成、分布和排泄依赖气的movements of qi and its warming, promoting and 运动和温煦、推动和固摄controlling functions. The existence of qi in the 功能。人体气的存在不仅body not only depends upon blood, but on body 依赖血，也依赖脾运化的fluid which is formed from food essence by the 水谷精微所形成的津液。functions of the stomach and spleen. So, whether 因此，津液的充足与否依body fluid is adequate or inadequate depends upon 赖脾胃之气的状态。第二，the conditions of spleen-qi and stomach-qi. 气推动津液的运行。气的
