The ears therefore pertain to the kidney and kidney also control anterior and posterior orifices. Anterior orifice" refers to the urethra and genitalia which have the function of urination and reproduction. "Posterior orifice" refers to the anus which has the function of excreting the feces. Decline or deficiency of kidney Qi, therefore, may give rise to frequency of micturition, enuresis, oliguria and anuria, seminal emission, impotence, premature ejaculation and infertility in reproduction, and prolonged diarrhea with prolapse of rectum or constipation
