英文介绍中医
toes to the abdomen and chest in which they meet 样，十二正经彼此联系，the three yin meridians of the hand. Thus, the 形成了一个阴阳畅通循twelve meridians are connected with each other, 行的通道，如环无端。见forming a circle like pathway along which yin and 下表。
yang smoothly circulate without terminus. See the
following diagram.
Fig. 5 Flowing direction and Connecting Law of the 表5.十二正经循行方向Twelve Meridians 及交接规律
It is clearly seen from fig. 5 that the three 从表5可以清楚的知yang meridians of the hand terminate at the head 道手三阳经止于头而足from which the three yang meridians of the foot 三阳经起于头，手足三阳start. The three yang meridians of the hand and 经在头部相会。因此，中the foot meet at the head So, TCM says:"The head 医云：“头乃诸阳之is the junction of all yang meridians" 会”。
2. Distributions and Exterior-Interior Relations 2.十二正经的分布和表of the Twelve Regular Meridians1) Distributions 里关系
The twelve meridians are distributed 十二正经对称的分symmetrically on the left and right sides of the 布于人体的左右两边，并body and run along their fixed courses. 按一定的路径循行。在四Distribution in the limbs: The medial aspect of 肢的分布是：阴经分布于the limbs attributes to yin, the lateral to yang. 四肢的内侧面，阳经分布Each limb is distributed by Taiyin and Yangming 于四肢的外侧面。太阴和meridians are on the anterior border, Shaoyin and 阳明分布于肢体的前部，Taiyang meridians are on the posterior border, and 少阴和太阳分布于后部，Jueyin and Shaoyang meridians are on the midline. 厥阴和少阳分布于中部。 Distribution on the head and face: Yangming 头面的分布：阳明经meridians run through the face and forehead, 行于面额部，太阳经行于Taiyang meridians run through the cheek, vertex 颊部、头顶及枕部，少阳and occiput of the head and Shaoyang meridians run 行于头的两侧。 through both sides of the head.
Distribution in the body trunk: The three yang 在躯干部的分布：手meridians of hand run through the scapular part. 三阳经行于肩胛部。足三Among the three yang meridians of foot, Yangming 阳经当中，阳明经行于前meridians run in the front of the trunk 腹部，太阳经沿背部循(thoracico-abdominal aspect), Taiyang meridians 行，少阳行于两侧。所有along the back (the dorsal aspect) , and Shaoyang 的手三阴经无一例外的meridians along the sides. All the three yin 起于腋窝部，所有的足三meridians of the hand come out of the axillae 阳经沿腹部循行。沿腹部without exception, all the three yin meridians of 循行的经脉由内至外的foot run along the ventral aspect. The meridians 顺序是：足少阴经、足阳running through the ventral aspect from the medial 明经、足太阴经和足厥阴to the lateral are, in turn, termed Foot-Shaoyin, 经。（注释：在双下肢，Foot-yangming, Foot-Taiyin and Foot-Jueyin(note: 踝上8寸（24厘米）以下
