| impotence | <urology> The inability to achieve or sustain a penile erection. (27 Sep 1997) |
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| impotence, vasculogenic | Impotence caused by a diminution of blood flow to the penis. Arteries involved can be the terminal aorta, hypogastric, pudendal, penile, and cavernous arteries. Ectopic drainage of the corpora cavernosa via large superficial dorsal veins or abnormally large cavernous and crural veins can cause venogenic impotence. The expression "venous leakage" is seen often in international literature. Leakage refers to the failure of the blood to reach the penile erectile tissues. (12 Dec 1998) |
| vasculogenic impotence | Impotence due to alterations in the flow of blood to and from the penis. (05 Mar 2000) |
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| paretic impotence | Impotence caused by a lesion of the nervous system. (05 Mar 2000) |
| psychic impotence | That caused by psychologic factors. (05 Mar 2000) |
| symptomatic impotence | Impotence caused by disturbance of the sensory perineal reflexes. (05 Mar 2000) |