GO:0060406

positive regulation of penile erection

Details: 
Any process that increases the rate, frequency or extent of penile erection. Penile erection is the hardening, enlarging and rising of the penis which often occurs in the sexually aroused male and enables sexual intercourse. Achieved by increased inflow of blood into the vessels of erectile tissue, and decreased outflow. [GOC:dph, GOC:tb]
Evidence Code: