Primordial energy   Primordial energy or primordial qi is the source of the life activities of the human body, including the energy of both primordial yin and primordial yang. It is produced by the congenital essence, contained in the kidneys and regenerated persistently by nutrients obtained from digestion.		yuan qi 元氣   元氣又稱為原氣，是機體生命活動的泉源，包括元陰和元陽之氣。由先天之精所化生，之後必須依靠後天營養不斷地滋養。