Erection - Wikipedia, the free encyclopedia Penile erection is a physiological phenomenon where the penis becomes enlarged and firm. ... In some males, erection can occur spontaneously at any time of day, ...
http://en.wikipedia.org/wiki/Erection
What I need to know about Erection Problems Uses plain language and illustrations to describe the causes of erectile dysfunction. ... Erection Problems: What Men Need to Know. Peyronie's Disease ...
Discovery Health :: Erection An erection occurs when the soft spongy tissue in the shaft of a man's penis fills with blood, causing the penis to enlarge and stiffen.
Tests for Erection Problems Tests for erection problems help determine a specific cause for a man's inability to achieve or maintain an erection (erectile dysfunction or impotence)
Erection -- Spinal Cord Medicine -- NCBI Bookshelf An erection is primarily a vascular event, with blood entering and expanding the ... For an erection to occur, the smooth muscle of the penis must relax, allowing ...
CIGNA - Erection Problems (Erectile Dysfunction) Erection problems can also be linked to problems with the nervous system, such ... Anxiety, stress, or depression can cause erection problems. ...
What is Erection problems? What is Erection problems? Learn about symptoms and treatments from Consumer Reports Health. ... men have trouble keeping an erection long enough to have sex ...