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Category:GO:0043084 ! penile erection
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
AmiGO
<GOterm>GO:0043084</GOterm>
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