erection definition

What is the Definition of an Erection?

An erection is a state in which the male reproductive organ, the penis, becomes engorged with blood, making it stiff and erect. A sex-related erection is caused by increased blood flowing into the penis resulting from physical or mental stimulation. The process can be spontaneous, or it can be caused by direct contact or physical stimulation of the penis.

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Types of Erections

  • Spontaneous Erection: The penis may become erect from sexual thoughts, fantasies, dreams, or visual stimulation.
  • Nocturnal Erection: The penis may become erect without any external stimulation during sleep.
  • Reflex Erection: Occurs during physical contact, such as rubbing the penis or stimulation through clothing.

Possible Reasons for Erectile Dysfunction

Erectile dysfunction is when a man is unable to achieve or maintain an erection sufficient to engage in sexual intercourse. Common causes of erectile dysfunction include:

  • Psychological Issues: Stress, depression, performance anxiety, relationship problems and other psychological issues can all affect one’s ability to maintain an erection.
  • Physical Problems: Diseases, injuries, anatomical defects and other physical ailments can cause erectile dysfunction.
  • Medications: Certain medications, such as blood pressure medications, antidepressants, and tranquilizers, can affect one’s ability to maintain an erection.

Treatment for Erectile Dysfunction

Treatment for erectile dysfunction will vary depending on the cause. It can include lifestyle changes, such as quitting smoking, exercising and eating a healthy diet. It can also include psychological therapy and medications such as Viagra, Cialis and Levitra.


Erection Definition, Erectile Dysfunction, Spontaneous Erection, Nocturnal Erection, Reflex Erection, Psychological Issues, Physical Problems, Medications, Treatment

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