USAN-approved contraction for 2-naphthalenesulfonate.
An alkaloid of opium; ethylnarceine is a narcotic, analgesic, and antitussive.
A state in which one interprets and regards everything in relation to oneself and not to other people or things.
Self-love, which may include sexual attraction toward oneself.
Alternate names: self-love
See Also: autoeroticism
narcissistic personality disorder
a pervasive pattern in adulthood of self-centeredness, self-importance, lack of empathy for others, sense of entitlement, and viewing others largely as objects to meet one's needs, manifested in a variety of contexts.
a DSM diagnosis that is established when the specified criteria are met.
Psychotherapeutic treatment under light anesthesia, originally used in acute combat-related cases during World War II; also has been used in the treatment of childhood trauma.
Alternate names: narcosynthesis
See Also: narcotherapy
A general numbness sometimes experienced at the moment of waking.
Stupor or deep sleep induced by hypnosis.
A sleep disorder that usually appears in young adulthood, consisting of recurring episodes of sleep during the day and often disrupted nocturnal sleep; frequently accompanied by cataplexy, sleep paralysis, and hypnagogic hallucinations; a genetically determined disease.
Alternate names: Gélineau syndrome, paroxysmal sleep
A sleep-inducing drug.
A person with narcolepsy.
the clinical syndrome of narcolepsy, cataplexy, sleep paralysis, and hypnagogic hallucinations.
General and nonspecific reversible depression of neuronal excitability, produced by various physical and chemical agents, usually resulting in stupor rather than in anesthesia (with which narcosis was formerly synonymous).
Psychotherapy conducted with the patient under the influence of a sedative or narcotic.
Originally, any drug derived from opium or opiumlike compounds with potent analgesic effects associated with both significant alteration of mood and behavior and with potential for dependence and tolerance.
More recently, any drug, synthetic or naturally occurring, with effects similar to those of opium and opium derivatives, including meperidine, fentanyl, and their derivatives.
Capable of inducing a state of stuporous analgesia.
the use of drugs to inhibit the effects of narcotic substances, as with naloxone.
the physiologic craving for narcotics.
the use of narcotic antagonists, such as naloxone, to terminate the action of narcotics.
Stuporous analgesia induced by a narcotic.
Addiction to a narcotic.
Nares: The nostrils. The word "nares" is straight out of
Latin (still another reason why you should have taken Latin in school or, if you did,
A human metabolite of naringin (q.v.), possibly an inhibitor of some cytochrome P450 enzymes.
A bioflavonoid responsible for the bitter taste in grapefruit.
Anterior opening to the nasal cavity.
Alternate names: anterior naris, external naris, nostril, prenaris
Acronym for neuropathy, ataxia, retinitis pigmentosa syndrome, one of the inherited mitochondrial disorders, caused by a point mutation resulting in the substitution of a single amino acid in the mitochondrial DNA at position 8993. A more severe expression of the same point mutation manifests clinically as Leigh disease (q.v.).
A limited band of sound frequencies, as opposed to the wideband of frequencies also known as white noise; narrowband noise is used to mask hearing in the nontest ear in hearing measurement.
Nasal: Having to do with the nose. Nasal drops are intended for the
nose, not (for example) the eyes. The word "nasal" came from the Latin
"nasus" meaning the nose or snout.
bridge of the nose, the upward arching roof of the piriform aperture formed by the nasal processes of the maxilla of each side and the nasal bones between them. Eyeglasses rest centrally on various portions of this arch.
an elongated rectangular bone that, with its fellow, forms the bridge of the nose; it articulates with the frontal bone superiorly, the ethmoid and the frontal process of the maxilla posteriorly, and its fellow medially.
Alternate names: os nasaleTA
the cartilage around the developing nasal cavity of the embryo.