traditional Chinese medicine type Yu-Zhi constitution type true One of the constitution types used in TCM. The Yu-Zhi (YZ) constitution in TCM indicates stasis and stagnation, which expressed dull, lusterless skin color; dry, cracked, scaly or tough skin; dull purple lips or tongue; localized pain or numb- ness; knotted, intermittent, or uneven pulse. It is one of the body constitutions that tend to express blood stasis syndrome (BSS), a morbid state caused by blood circula- tion disturbance, included extravasated blood, blood circulating sluggishly, or blood congested in viscera, that may turn into pathogenic factors. PMID:26169365