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. (Gene Ontology, GO_0060406)
1 genes participating in the positive regulation of penile erection biological process from the curated GO Biological Process Annotations 2023 dataset.
