Kidney qì

The qì engendered by kidney essence; the functional activity of the kidney. Plain Questions (素问 sù wèn, shàng gǔ tiān zhēn lùn) states, [In the male] at the age of two eights [i.e., sixteen], kidney qì is exuberant, the reproductive function matures, essential qì flows forth, yīn and yáng are in harmony, and [he] can beget offspring... The Magic Pivot (灵枢 líng shū, mài dù piān) states, Kidney qì flows through to the ears; when the kidney is in harmony, the ears can hear the five sounds. The term kidney qì often specifically denotes the kidney’s governing of storage. Thus insecurity of kidney qì denotes insufficiency of kidney qì manifesting in urinary disturbances such as frequent and long voidings of clear urine, or incontinence, enuresis, and dribbling, and disturbances of the reproductive function such as seminal emission, seminal efflux, and premature ejaculation.