| id | GO:0043084 Detailed information |
|---|---|
| name | penile erection |
| namespace | biological_process |
| def | "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:jl, Wikipedia:Penile_erection] |
| xref | Wikipedia:Erection#Penile_erection |
| is_a | GO:0048609 ! multicellular organismal reproductive process |
| relationship | part_of GO:0007620 ! copulation |