The inability in the male to have a PENILE ERECTION due to psychological or organ dysfunction.
Impotence,Male Impotence,Male Sexual Impotence,Dysfunction, Erectile,Impotence, Male,Impotence, Male Sexual,Sexual Impotence, Male
D008297
Male
Males
D010410
Penile Erection
The state of the PENIS when the erectile tissue becomes filled or swollen (tumid) with BLOOD and causes the penis to become rigid and elevated. It is a complex process involving CENTRAL NERVOUS SYSTEM; PERIPHERAL NERVOUS SYSTEMS; HORMONES; SMOOTH MUSCLES; and vascular functions.