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This page offers definitions and phrases of various Erectile Dysfunction related terms.
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Vacuum device -  A device that is used to provide an erection. It is composed of 3 parts: a cylinder, a pump, and a constricting band. The band is preloaded on the bottom of the cylinder, and the cylinder is placed over the penis. The pump, which is connected to the cylinder, creates a suction that pulls blood into the penis. Because the constricting band is placed at the base of the penis, the blood remains in the penis until the band is removed.
Vas deferens -  The duct that sperm travel through from the testis to the urethra.
Vascular -  Pertaining to blood vessels.
Vasoactive -  Affecting the size (diameter) of blood vessels.
Vasospasm -  Constriction of the arteries.
Vasovagal attack -  A transient vascular and neurogenic reaction marked by pallor (white, ghost-like look), sweating, slow heart rate, and lowering of the blood pressure
Vein -  A blood vessel in the body that carries deoxygenated blood from the tissues back to the heart.
Venous leak -  Veins that don't compress to prevent blood from draining out of the corpora during erection. Venous leak may also refer to the rare occasions in which abnormally located veins allow for persistent drainage of blood during an erection.
Venous ligation surgery -  A surgical procedure in which leaky veins in the penis are ligated to prevent blood from continually flowing out of the penis during erection.
Viagra -  The first effective, FDA-approved oral therapy for erectile dysfunction. Sildenafil is a phosphodiesterase type 5 inhibitor.
- Synonyms: sildenafil