It is possible that descendents of Shennong established a home in this area, giving rise to the idea that it was a birthplace of Shennong. Left: An artifact at the Shanghai Museum from about 800-900 B.C. found in the area where Shennong is believed to have lived (Fufeng County, Shaanxi).
Hypostasis is a Greek word á½ÏÏÏÏÎ±ÏÎ¹Ï that has a range of meanings: nature, substance, image, essence, etc.
Orthostasis means upright posture, and hypotension means low blood pressure. Thus, orthostatic hypotension consists of symptoms of dizziness, faintness or lightheadedness which appear only on standing, and which are caused by low blood pressure. Only rarely is spinning vertigo caused by orthostasis.