This page offers definitions and phrases of various Erectile Dysfunction related terms. If you can not find in this glossary the definition you need, please contact us using this form.Reset list
Nerve - A cordlike structure composed of a collection of nerve fibers that conveys impulses between a part of the central nervous system and some other region of the body.
Neurologic - Pertaining to the brain or nerves.
Neurotransmitter - A chemical released from a nerve cell that transmits an impulse to another nerve, cell, or organ.
Nitrate - A form of nitric acid that causes dilation (opening up) of the blood vessels to the heart. Nitroglycerin is a form of nitrate.
Nitric oxide - A chemical in the body that stimulates production of cGMP, which is necessary for erectile function.
Nitroglycerin - A medication that is usually taken sublingually (under the tongue) for the relief of angina. It may also be applied to the chest in a paste form for the prevention of angina.
Nocturnal - Occurring or active at night.
Nocturnal penile tumescence (NPT) study - A specialized study that evaluates the frequency and the quality of nocturnal erections.
Non-insulin dependent diabetes mellitus - Diabetes in which the body does not respond adequately to insulin.
Noninvasive - Not requiring any incision or insertion of an instrument or substance into the body.