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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

narcissistic personality
Synonym for narcissism ... A psychoanalytic term meaning self-love. ... (12 Dec 1998) ...

narcissistic personality disorder
An individual with an inflated sense of self-importance. ... (27 Sep 1997) ...

narcissus
Origin: L. Narcissus, and (personified) Narcissus, Gr. Narkissos, Narkissos, fr. Narkh torpor, in allusion to the narcotic properties of the flower. Cf. Narcotic. ... 1. <botany> A genus of endogenous bulbous plants with handsome flowers, having a cup-shaped crown within the six-lobed perianth, and comprising the daffodils and jonquils of seve …

narco-
Stupor, narcosis. ... Origin: G. Narkoo, to benumb, deaden ... (05 Mar 2000) ...

narcoanalysis
Psychotherapeutic treatment under light anaesthesia, originally used in acute combat cases during World War II; also has been used in the treatment of childhood trauma. ... See: narcotherapy. ... Synonym: narcosynthesis. ... (05 Mar 2000) ...

narcohypnia
A general numbness sometimes experienced at the moment of waking. ... Origin: narco-+ G. Hypnos, sleep ... (05 Mar 2000) ...

narcohypnosis
Stupor or deep sleep induced by hypnosis. ... Origin: narco-+ G. Hypnos, sleep ... (05 Mar 2000) ...

narcolepsy
<neurology> A disorder of sleep associated with excessive daytime sleepiness, involuntary daytime sleep episodes, disturbed nocturnal sleep and cataplexy. ... Narcolepsy affects over 100,000 people in the United States and appears to have a genetic basis. ... Symptoms usually begin in the patients twenties. Treatment often includes the use of a …

narcoleptic
1. A sleep inducing drug. ... 2. A person with narcolepsy. ... (05 Mar 2000) ...

narcoleptic tetrad
The clinical syndrome of narcolepsy, cataplexy, sleep paralysis, and hypnagogic hallucinations. ... (05 Mar 2000) ...

narcosynthesis
Synonym for narcoanalysis ... Psychotherapeutic treatment under light anaesthesia, originally used in acute combat cases during World War II; also has been used in the treatment of childhood trauma. ... See: narcotherapy. ... Synonym: narcosynthesis. ... (05 Mar 2000) ...

narcotherapy
Intravenous injections of sodium amytal or sodium pentothal to induce a state in which the patient is more relaxed and communicative. Narcosuggestion, narcosynthesis, and narcoanalysis are therapeutic processes using these drug adjuncts. ... (12 Dec 1998) ...

narcotic
1. Pertaining to or producing narcosis. ... 2. <pharmacology> An agent that produces insensibility or stupor, applied especially to the opioids, i.e. To any natural or synthetic drug that has morphine like actions. ... Origin: Gr. Narkotikos = benumbing, deadening ... (18 Nov 1997) ...

narcotic analgesic agent
<pharmacology> Medications that relieve pain but have addictive potential if used regularly. ... Examples include: meperidine, morphine, propoxyphene, codeine, hydrocodone, oxycodone, hydromorphone, nalbuphine, butorphanol and heroin. ... (27 Sep 1997) ...

narcotic analgesics
<pharmacology> Medications that relieve pain but have addictive potential if used regularly. ... Examples include: meperidine, morphine, propoxyphene, codeine, hydrocodone, oxycodone, hydromorphone, nalbuphine, butorphanol and heroin. ... (27 Sep 1997) ...

narcotic antagonists
Agents inhibiting the effect of narcotics on the central nervous system. ... (12 Dec 1998) ...

narcotic blockade
The use of drugs to inhibit the effects of narcotic substances, as with naloxone. ... (05 Mar 2000) ...

narcotic hunger
The physiological craving for narcotics. ... (05 Mar 2000) ...

narcotic reversal
The use of narcotic antagonists, such as naloxone, to terminate the action of narcotics. ... (05 Mar 2000) ...

narcotics
Originally, agents that caused somnolence or induced sleep; now, any derivative, natural or synthetic, of opium or morphine or any substance that has their effects. Narcotics have potent analgesic effects associated with significant changes in mood and behaviour, and with the potential for dependence and tolerance following repeated administration. …

narcotism
1. Stuporous analgesia induced by a narcotic. ... 2. Addiction to a narcotic. ... (05 Mar 2000) ...

nard
1. <botany> An East Indian plant (Nardostachys Jatamansi) of the Valerian family, used from remote ages in Oriental perfumery. ... 2. An ointment prepared partly from this plant. See Spikenard. ... 3. <botany> A kind of grass (Nardus stricta) of little value, found in Europe and Asia. ... Origin: AS, fr. L. Nardus, Gr.; cf. Heb. Nerd, Per. …

naringenin 7-O-methyltransferase
<enzyme> Catalyses conversion of naringenin to sakuranetin ... Registry number: EC 2.1.1.- ... (26 Jun 1999) ...

naringinase
<enzyme> Consists of rhamnosidase (EC 3.2.1.40) and beta-glucosidases (EC 3.2.1.21); used to remove rhamnose and glucose from naringin and other glycosides to obtain aglycones ... Registry number: EC 3.2.1.- ... (26 Jun 1999) ...

naris
Synonym: nostril. ... Origin: L. ... (05 Mar 2000) ...

narrow
1. Of little breadth; not wide or broad; having little distance from side to side; as, a narrow board; a narrow street; a narrow hem. 'Hath passed in safety through the narrow seas.' (Shak) ... 2. Of little extent; very limited; circumscribed. 'The Jews were but a small nation, and confined to a narrow compass in the world.' (Bp. Wilkins) ... 3. Havi …

narrow-angle glaucoma
angle-closure glaucoma ...

narthex
1. <botany> A tall umbelliferous plant (Ferula communis). See Giant fennel, under Fennel. ... 2. The portico in front of ancient churches; sometimes, the atrium or outer court surrounded by ambulatories; used, generally, for any vestibule, lobby, or outer porch, leading to the nave of a church. ... Origin: L, giant fennel, Gr. ... Source: Webste …

narwhal
<zoology> An arctic cetacean (Monodon monocerous), about twenty feet long. The male usually has one long, twisted, pointed canine tooth, or tusk projecting forward from the upper jaw like a horn, whence it is called also sea unicorn, unicorn fish, and unicorn whale. Sometimes two horns are developed, side by side. ... Origin: Sw. Or Dan. Narvh …

nasal
<anatomy> Pertaining to the nose. ... Origin: L. Nasalis ... (18 Nov 1997) ...

nasal arch
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. ... (05 Mar 2000) ...

nasal atrium
The anterior expanded portion of the middle meatus of the nose, just above the vestibule. ... Synonym: atrium meatus medii, atrium. ... (05 Mar 2000) ...

nasal bone
Either of two small elongated rectangular bones that together form the bridge of the nose. ... (12 Dec 1998) ...

nasal border of frontal bone
The border of the frontal bone that articulates with the nasal bones. ... Synonym: margo nasalis ossis frontalis, nasal margin of frontal bone. ... (05 Mar 2000) ...

nasal capsule
The cartilage around the developing nasal cavity of the embryo. ... (05 Mar 2000) ...

nasal catarrh
Synonym for rhinitis ... <pathology> Inflammation of the mucous membrane of the nose. ... (18 Nov 1997) ...

nasal cavity
The proximal portion of the respiratory passages on either side of the nasal septum, lined with ciliated mucosa, extending from the nares to the pharynx. ... (12 Dec 1998) ...

nasal crest
The midline ridge in the floor of the nasal cavity, formed by the union of the paired maxillae and palatine bones; the vomer attaches to the crest. ... Synonym: crista nasalis, semicrista incisiva. ... (05 Mar 2000) ...

nasal decongestants
Drugs that shrink the swollen membranes in the nose and make it easier to breath. Decongestants can be taken orally or by nasal spray. Decongestant nasal spray should not be used for more than five days without the doctor s advice, and if so, usually only when accompanied by a nasal steroid. Decongestant nasal sprays often cause a rebound effect if …

nasal duct
Synonym for nasolacrimal duct ... The passage leading downward from the lacrimal sac on each side to the anterior portion of the inferior meatus of the nose, through which tears are conducted into the nasal cavity. ... Synonym: ductus nasolacrimalis, nasal duct. ... (05 Mar 2000) ...

nasal feeding
The giving of nourishment through a flexible tube passed through the nasal passages into the stomach. ... (05 Mar 2000) ...

nasal foramen
Vascular foramen opening on the outer surface of each nasal bone. ... (05 Mar 2000) ...

nasal ganglion
Synonym for pterygopalatine ganglion ... A small parasympathetic ganglion in the upper part of the pterygopalatine fossa whose postsynaptic fibres supply the lacrimal, nasal, palatine and pharyngeal glands. ... Synonym: ganglion pterygopalatinum, Meckel's ganglion, nasal ganglion, sphenopalatine ganglion. ... (05 Mar 2000) ...

nasal glands
Seromucous glands in the respiratory region of the nasal mucous membrane. ... Synonym: glandulae nasales. ... (05 Mar 2000) ...

nasal glioma
<tumour> Term for a lesion that is probably not a true neoplasm, but an unusual anomaly consisting of glial tissue with reactive astrocytes, ganglionic neurons, and ependymal cells in small nodules at the base of the nose. ... (05 Mar 2000) ...

nasal haemorrhage
Synonym for epistaxis ... <clinical sign> Nosebleed, haemorrhage from the nose. ... (18 Nov 1997) ...

nasal index
Relation of the greatest width of the nasal aperture to the length of a line from the nasion to the lower border of the nasal aperture: (nasal width &times; 100)/nasal height. ... (05 Mar 2000) ...

nasal lavage fluid
Fluid obtained by irrigation or washout of the nasal cavity and nasal mucosa. The resulting fluid is used in cytologic and immunologic assays of the nasal mucosa such as with the nasal provocation test in the diagnosis of nasal hypersensitivity. ... (12 Dec 1998) ...

nasal margin of frontal bone
Synonym for nasal border of frontal bone ... The border of the frontal bone that articulates with the nasal bones. ... Synonym: margo nasalis ossis frontalis, nasal margin of frontal bone. ... (05 Mar 2000) ...

nasal meatus
Any of three passages in the nasal cavity formed by the projection of the conchae: middle nasal meatus, lies below the inferior concha; middle nasal meatus, lies between the middle and inferior conchae; superior nasal meatus, lies between the superior and middle conchae. ... Synonym: meatus nasi. ... (05 Mar 2000) ...

nasal mucosa
The mucous membrane lining the nasal cavity. ... (12 Dec 1998) ...

nasal muscle
Synonym for nasalis muscle ... <anatomy> Compound muscle consisting of: a transverse part (pars transversa musculi nasalis, musculus compressor naris) arising from the maxilla above the root of the canine tooth on each side and forming an aponeurosis across the bridge of the nose; and an alar part (pars alaris musculi nasalis, musculus dilator …

nasal myiasis
Fly larva invasion of the nasal passages, due most commonly in the U.S. To primary screw-worms, the larvae of Cochliomyia hominivorax, which develop in the nasal or aural cavity. ... (05 Mar 2000) ...

nasal nerve
Synonym for nasociliary nerve ... <anatomy, nerve> A branch of the ophthalmic nerve in the superior orbital fissure, passing through the orbit, giving rise to the communicating branch to the ciliary ganglion, the long ciliary nerves, the posterior and anterior ethmoidal nerves, and terminating as the infratrochlear and nasal branches, which su …

nasal notch
The notch in the medial border of the maxilla anteriorly which, with its fellow, forms most of the piriform opening of the nasal cavity. ... Synonym: incisura nasalis. ... (05 Mar 2000) ...

nasal obstruction
Any hindrance to the passage of air into and out of the nose. The obstruction may be in the nasal vestibule, fossae, or other areas of the nasal cavity. ... (12 Dec 1998) ...

nasal part of frontal bone
Nasal portion of the frontal bone which lies between the two orbital parts anteriorly and forms part of the roof of the nasal cavity. ... Synonym: pars nasalis ossis frontalis. ... (05 Mar 2000) ...

nasal part of pharynx
Synonym for nasopharynx ... <anatomy> The portion of the pharynx extending from the posterior nares to the level of the soft palate. ... (27 Sep 1997) ...

nasal pharynx
Synonym for nasopharynx ... <anatomy> The portion of the pharynx extending from the posterior nares to the level of the soft palate. ... (27 Sep 1997) ...

nasal pits
The paired depressions formed when the nasal placodes come to lie below the general external contour of the developing face as a result of the rapid growth of the adjacent nasal elevations; the pit's are the primordia of the rostral portions of the nasal chambers. ... Synonym: olfactory pits. ... (05 Mar 2000) ...

nasal placodes
Synonym for olfactory placodes ... Paired ectodermal placode's which come to lie in the bottom of the olfactory pits as the pits are deepened by the growth of the surrounding medial and lateral nasal processes. ... Synonym: nasal placodes. ... (05 Mar 2000) ...

nasal polyp
<otolaryngology> A projection of the mucosa lining the nasal and paranasal sinuses that is rounded and elongated within the nasal cavity. ... A common cause for nasal airway obstruction in patients who suffer from allergic sinusitis. They are found more commonly in those with chronic allergic rhinitis or sinusitis. Large nasal polyps can inter …

nasal polyps
Focal accumulations of oedema fluid in the nasal mucosa accompanied by hyperplasia of the associated submucosal connective tissue. Polyps may be neoplasms, foci of inflammation, degenerative lesions, or malformations. ... (12 Dec 1998) ...

nasal process
Synonym for frontal process of maxilla ... The upward extension from the body of the maxilla, which articulates with the frontal bone. ... Synonym: nasal process, processus frontalis maxillae. ... (05 Mar 2000) ...

nasal provocation tests
Application of allergens to the nasal mucosa. Interpretation includes observation of nasal symptoms, rhinoscopy, and rhinomanometry. Nasal provocaton tests are used in the diagnosis of nasal hypersensitivity, including hay fever. ... (12 Dec 1998) ...

nasal reflex
Sneezing caused by irritation of the nasal mucous membrane. ... (05 Mar 2000) ...

nasal region
The region of the nose. ... Synonym: regio nasalis. ... (05 Mar 2000) ...

nasal ridge
Synonym for agger nasi ... An elevation on the lateral wall of the nasal cavity lying between the atrium of the middle meatus and the olfactory sulcus; it is formed by the mucous membrane covering the base of the ethmoidal crest of the maxilla. ... Synonym: nasal ridge. ... (05 Mar 2000) ...

nasal sacs
The deepened nasal pits that develop into the definitive nasal cavities. ... (05 Mar 2000) ...

nasal septal cartilage
A thin cartilaginous plate located between vomer, perpendicular plate of the ethmoid, and nasal bones, and completing the nasal septum anteriorly. ... Synonym: cartilago septi nasi, cartilage of nasal septum, cartilaginous septum, pars cartilaginea septi nasi, quadrangular cartilage, septal cartilage. ... (05 Mar 2000) ...

nasal septum
The dividing wall that runs down the middle of the nose so that there are normally two sides to the nose, each ending in a nostril. ... (12 Dec 1998) ...

nasal spine of frontal bone
A projection from the centre of the nasal part of the frontal bone, which lies between and articulates with the nasal bones and the perpendicular plate of the ethmoid. ... Synonym: spina nasalis ossis frontalis. ... (05 Mar 2000) ...

nasal surface of maxilla
The surface of the maxilla that forms part of the lateral nasal wall with a large defect (maxillary hiatus) posteriorly and the lacrimal sulcus in its midportion. ... Synonym: facies nasalis maxillae. ... (05 Mar 2000) ...

nasal surface of palatine bone
The nasal surface of the perpendicular lamina of the palatine bone that forms part of the lateral wall of the nasal cavity, the nasal surface of the horizontal lamina of the palatine bone that forms part of the floor of the nasal cavity. ... Synonym: facies nasalis ossis palatini. ... (05 Mar 2000) ...

nasal valve
The variable aperture between the nasal septum and the moveable inferior margin of the lower lateral nasal cartilage. ... (05 Mar 2000) ...

nasal venous arch
An arch formed at the root of the nose by the two supratrochlear veins connected by a transverse vein. ... (05 Mar 2000) ...

nasal venules of retina
See: inferior nasal venule of retina, superior nasal venule of retina. ... (05 Mar 2000) ...

nasalis muscle
<anatomy> Compound muscle consisting of: a transverse part (pars transversa musculi nasalis, musculus compressor naris) arising from the maxilla above the root of the canine tooth on each side and forming an aponeurosis across the bridge of the nose; and an alar part (pars alaris musculi nasalis, musculus dilator naris) arising from the maxil …

nasaruplase
<chemical> A native single-chain urokinase-type plasminogen activator; a proenzyme converted only at the thrombus surface ... Pharmacological action: plasminogen activators ... (26 Jun 1999) ...

nasba
<technique> The alternative PCR. Invented by the Dutch company Organon, which got involved in a patent lawsuit with Roche, which owns the unique rights for PCR. ... (09 Oct 1997) ...

nascent
1. Commencing, or in process of development; beginning to exist or to grow; coming into being; as, a nascent germ. 'Nascent passions and anxieties.' (Berkley) ... 2. <chemistry> Evolving; being evolved or produced. ... <chemistry> Nascent state, the supposed instantaneous or momentary state of an uncombined atom or radical just separated …

Nasik vibrio
An organism differing from the cholera vibrio, being shorter and stouter and less comma-shaped; its cultures are very toxic to laboratory animals on intravenous injections. ... (05 Mar 2000) ...

nasioiniac
Relating to the nasion and inion; denoting the distance in a straight line between the frontonasal suture and the external occipital protuberance. ... (05 Mar 2000) ...

nasion soft tissue
The outer point of intersection between the nasion-sella line and the soft tissue profile. ... (05 Mar 2000) ...

nasion-pogonion measurement
Synonym for facial plane ... A measurement of the bony profile of the face. ... Synonym: nasion-pogonion measurement. ... (05 Mar 2000) ...

nasion-postcondylar plane
A plane passing through the nasion anteriorly and to a point immediately behind each condylar process of the mandible, posteriorly. ... (05 Mar 2000) ...

Nasmyth
Alexander, London dentist, +1847. ... See: Nasmyth's cuticle, Nasmyth's membrane. ... (05 Mar 2000) ...

Nasmyth's cuticle
Synonym for enamel cuticle ... The primary enamel cuticle, consisting of two extremely thin layers (the inner one clear and structureless, the outer one cellular), covering the entire crown of newly erupted teeth and subsequently abraded by mastication; it is evident microscopically as an amorphous material between the attachment epithelium and the …

Nasmyth's membrane
Synonym for enamel cuticle ... The primary enamel cuticle, consisting of two extremely thin layers (the inner one clear and structureless, the outer one cellular), covering the entire crown of newly erupted teeth and subsequently abraded by mastication; it is evident microscopically as an amorphous material between the attachment epithelium and the …

naso-
<anatomy, prefix> A combining form denoting pertaining to, or connected with, the nose; as, nasofrontal. ... Origin: L. Nasus = nose. ... (29 Oct 1998) ...

naso-occipital arc
The arc in the midline from the root of the nose to the inferior limit of the external occipital protuberance. ... (05 Mar 2000) ...

naso-oral
Relating to the nose and mouth. ... (05 Mar 2000) ...

nasoalveolar cyst
A soft tissue cyst located near the attachment of the ala over the maxilla; probably derived from the lower anterior part of the nasolacrimal duct. ... Synonym: Klestadt's cyst, nasolabial cyst. ... (05 Mar 2000) ...

nasoantral
Relating to the nose and the maxillary sinus. ... (05 Mar 2000) ...

nasobasilar line
Synonym for basinasal line ... A line connecting the basion and the nasion. ... Synonym: nasobasilar line. ... (05 Mar 2000) ...

nasobregmatic arc
A line running through the midline of the forehead from the nasion to the bregma. ... (05 Mar 2000) ...

nasociliary
Relating to nose and eyelids. ... See: nasociliary nerve. ... (05 Mar 2000) ...

nasociliary nerve
<anatomy, nerve> A branch of the ophthalmic nerve in the superior orbital fissure, passing through the orbit, giving rise to the communicating branch to the ciliary ganglion, the long ciliary nerves, the posterior and anterior ethmoidal nerves, and terminating as the infratrochlear and nasal branches, which supply the mucous membrane of the n …

nasociliary root
Synonym for sensory root of ciliary ganglion ... Sensory fibres passing from the eyeball through the ciliary ganglion to their cell bodies in the trigeminal ganglion via the nasociliary nerve. ... Synonym: radix sensoria ganglii ciliaris, ramus communicans nervi nasociliaris cum ganglio ciliari, radix nasociliaris, long root of ciliary ganglion, naso …

nasogastric
Pertaining to or involving the nasal passages and the stomach, as in nasogastric intubation. ... (05 Mar 2000) ...