Category: N
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No-fault divorce
The granting of a divorce with-out either partner having to prove the other was the cause of the failure of the marriage.
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Nod
Behaving in a lethargic manner, if not in a somnolent one, when under the influence of drugs.
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Nocturnal penile tumescence
An erection during sleep. Erection occurring during sleep. In the normal male, erections during sleep begin in early childhood and continue to at least the eighth decade. The total time of NPT averages 100 minutes per night. In evaluating erectile dysfunction (ED), the presence of NPT suggests the patient has psychogenic rather than neurogenic or…
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Nocturnal orgasm
Female vaginal vascular engorgement during sleep while having an erotic dream, nocturnal emission.
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Nocturnal myclonus
Uncontrolled leg jerks during sleep.
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Nocturnal enuresis
Bedwetting at least once a month beyond the age of 3-4 years. The act of passing urine when asleep in bed at night. The involuntary passing of urine during sleep. It is a condition predominantly of childhood, and although it is usually genetically determined, it can be a symptom of anxiety, especially if there has…
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Nocturnal emission
The discharge of semen by males during sleep. This first occurs shortly after puberty. The production of semen from the penis while a man is asleep. An ejaculation that occurs during sleep, often among adolescent males; also called a wet dream. Involuntary emission of semen during sleep, usually associated with an erotic dream; colloquial: wet…
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Nitrosification
Oxidation of ammonia to nitrite.
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Nitroglycerine
A drug that dilates the arteries and is used to treat attacks of angina pectoris. A drug which helps the veins and coronary arteries to become wider. A vasodilator used to ease the pain of angina pectoris (pain in the chest due to insufficient oxygen supply to the heart).
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Nitrogen trichloride
A toxic gas produced by mixing cleaning agents that contain chlorine and ammonia.