Bi syndrome   Bi syndrome refers to those diseases that result from blockage in the extremities, meridians or organs by pathogens (disease causing agents). The syndrome manifests as joint pain, numbness and impaired movement of the limbs.		bi zheng 痹証   痹証是指病邪阻擾肢體、經絡或臟器所引致的疾病。表現為四肢關節疼痛、痠痺、麻木及屈伸不利的証候。