Definitions for erectile dysfunction
Random House Webster's College Dictionary
difficulty in achieving or maintaining an erection of the penis; impotence. Abbr.: ED
erectile dysfunction, male erecticle dysfunction, ED(noun)
impotence resulting from a man's inability to have or maintain an erection of his penis
The inability of a man to obtain or sustain an erection. Abbreviation: ED
Erectile dysfunction is sexual dysfunction characterized by the inability to develop or maintain an erection of the penis during sexual performance. A penile erection is the hydraulic effect of blood entering and being retained in sponge-like bodies within the penis. The process is often initiated as a result of sexual arousal, when signals are transmitted from the brain to nerves in the penis. The most important organic causes are cardiovascular disease and diabetes, neurological problems, hormonal insufficiencies and drug side effects. Psychological impotence is where erection or penetration fails due to thoughts or feelings rather than physical impossibility; this is somewhat less frequent but often can be helped. Notably in psychological impotence, there is a strong response to placebo treatment. Erectile dysfunction, tied closely as it is about ideas of physical well being, can have severe psychological consequences. Besides treating the underlying causes such as potassium deficiency or arsenic contamination of drinking water, the first line treatment of erectile dysfunction consists of a trial of PDE5 inhibitor drugs. In some cases, treatment can involve prostaglandin tablets in the urethra, injections into the penis, a penile prosthesis, a penis pump or vascular reconstructive surgery.
U.S. National Library of Medicine
The inability in the male to have a PENILE ERECTION due to psychological or organ dysfunction.
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