[ N ]

• N/S  noise to signal [ratio]; normal saline [solution]
• Ns  nasospinale; nerves
• ns  nanosecond; nonspecific; no sequelae; no specimen; not significant; nylon suture
• NSA  National Stroke Association; Neurological Society of America; Niger seed agar [culture medium]; normal serum albumin; no salt added; no significant abnormality; no significant anomaly; number of signals averaged
• nsa  no salt added
• NSABP  National Surgical Adjuvant Breast and Bowel Project
• NSAD  no signs of acute disease
• NSAE  non-serious adverse event; nonsupported arm exercise
• NSAI  nonsteroidal anti-inflammatory [drug]
• NSAIA  nonsteroidal anti-inflammatory agent
• NSAID  nonsteroidal anti-inflammatory drug
• NSAM  Naval School of Aviation Medicine
• NSAS  National Survey of Ambulatory Surgery
• NSC  neurosecretory cell; no significant change; nonservice connected; non-small cell; nonspecific suppressor cell; normal child with short stature
• nsc  nonservice connected; no significant change
• NSCC  National Society for Crippled Children
• NSCD  nonservice connected disability
• NSCLC  non-small-cell lung cancer
• NSCS  night shift call system
• NSCT  National Society of Cardiovascular Technologists
• NSD  N-acetylneuraminic acid storage disease; Nairobi sheep disease; neonatal staphylococcal disease; neurosecretory dysfunction; night sleep deprivation; nominal single dose; nominal standard dose; normal standard dose; no significant defect; no significant deficiency; no significant deviation; no significant difference; no significant disease; normal spontaneous delivery
• NSDV  Nairobi sheep disease virus
• NSE  neuron-specific enolase; nonspecific esterase; normal saline enema
• nsec  nanosecond
• NSEP  needle and syringe exchange program; nuclease-sensitive element protein
• NSERC  Natural Sciences and Engineering Research Council [Canada]
• NSF  National Science Foundation; National Service Framework; nodular subepidermal fibrosis
• NSFNET  National Science Foundation (NSF) [Computer] Network
• NSFTD  normal spontaneous full-term delivery
• NSG  neurosecretory granule
• nsg  nursing
• NSGA  nondominated sorting genetic algorithm
• NSGC  National Society of Genetic Counselors
• NSGCT  nonseminomatous germ cell tumor
• NSGCTT  nonseminomatous germ-cell tumor of the testis
• NSG Hx  nursing history
• NSGI  nonspecific genital infection
• NSH  National Society for Histotechnology
• NSHD  nodular sclerosing Hodgkin disease
• NSHG  National Study of Health and Growth
• NSHL  non-syndromic hearing loss
• NSHPT  neonatal severe hyperparathyroidism
• NSI  negative self-image; neurosensory impairment; no signs of infection/inflammation; non-syncytium-inducing
• NSICU  neurosurgical intensive care unit
• NSIDS  near sudden infant death syndrome
• NSILA  nonsuppressible insulinlike activity
• NSILP  nonsuppressible insulinlike protein
• NSIVCD  nonspecific intraventricular conduction delay
• NSJ  nevus sebaceus of Jadassohn
• NSK  nonsquamous keratin
• NSM  neurosecretory material; neurosecretory motor neuron; nonantigenic specific mediator; nutrient sporulation medium
• N · s/m²  newton seconds per square meter
• NSMR  National Society for Medical Research
• NSN  nephrotoxic serum nephritis; nicotine-stimulated neurophysin
• NSNA  National Student Nurse Association
• NSND  nonsymptomatic and nondisabling
• NSO  Neosporin ointment; nucleus supraopticus; Nursing Standard Online
• NSP  neuron specific protein; neurotoxic shellfish poisoning; nonstructural protein; nuclear shuttle protein; nurse scheduling problem
• NSPB  National Society for the Prevention of Blindness
• NSPH  neonatal severe hyperparathyroidism
• NSPN  neurosurgery progress note
• NSPORT  nurse-sensitive patient outcome research team
• NSQ  Neuroticism Scale Questionnaire; not sufficient quantitiy
• NSR  nasal septal reconstruction; nonspecific reaction; normal sinus rhythm; no sign of recurrence; not seen regularly
• NSR/M  no sign of recurrence or meta-stases
• NSS  Nordic Sleep Survey; normal saline solution; normal size and shape; not statistically significant; nutrition support services
• NSSQ  Norbeck social support questionnaire
• NSSTT  nonspecific ST and T [wave]
• NST  neospinothalamic [tract]; nonshivering thermogenesis; nonstress test; nutritional support team
• NSTC  National Science and Technology Council
• NSTEMI  non-ST segment elevation myocardial infarction
• NSTI  necrotizing soft tissue infection
• NST-ICF  nonstationary ionic channel current fluctuations
• NSTT  nonseminomatous testicular tumor
• NSU  neurosurgical unit; nonspecific urethritis
• NSurg  neurosurgery, neurosurgeon
• NSV  nonspecific vaginitis/vaginosis
• NSVD  normal spontaneous vaginal delivery
• NSVR  normalized systemic vascular resistance
• NSVT  nonsustained ventricular tachycardia
• NSX  neurosurgical examination
• nsy  nursery
• NT  nasotracheal; neotetrazolium; neurotensin; neurotoxin; neurotrophic; neutralization test; nicotine tartrate; nontender; nontumoral; normal temperature; normal tissue; normotensive; nortriptyline; not tested; N-terminal [fragment]; nourishment taken; nuchal translucency; nuclear transfer; nucleation time; nucleotidase; nucleotide; numbness and tingling
• NT-3  neurotrophin 3
• 5´NT  5´-nucleotidase
• Nt  amino terminal
• nt  nucleotide
• N&T  nose and throat
• NTA  natural thymocytotoxic autoantibody; nitrilotriacetic acid; Nurse Training Act
• NTAB  nephrotoxic antibody
• NTAV  Ntaya virus
• NTBR  not to be resuscitated
• NTC  neotetrazolium chloride
• NTCC  National Type Culture Collection
• NTCP  noninvasive transcutaneous cardiac pacing; normal tissue complication probability
• NTCT  negative temperature-coefficient thermistor
• NTD  neural tube defect; nitroblue tetrazolium dye; noise tone difference; 5´-nucleotidase
• NTE  neuropathy target esterase; neurotoxic esterase; no toxic effect level; not to exceed
• NTF  neurotrophic factor; normal throat flora
• NTFOM  normal tissue complication-based figure-of-merit
• NTG  nitroglycerin; nitrosoguanidine; nontoxic goiter; normal triglyceridemia
• NTGO  nitroglycerin ointment
• Nth  normothermia
• NTHH  nontumorous, hypergastrinemic hyperchlorhydria
• NTHi  nontypable Haemophilus influenzae
• NTI  nonthyroid illness
• NTIA  National Telecommunications and Information Administration
• NTIG  nontreated immunoglobulin
• NTIS  National Technical Information Service
• NTKR  neurotrophic tyrosine kinase receptor
• NTL  near-total laryngectomy; non-thoracotomy lead [cardioverter-defibrillator]; nortriptyline; no time limit
• NTLI  neurotensin-like immunoreactivity
• NTM  nontuberculous mycobacteria
• NTMI  nontransmural myocardial infarction
• NTN  nephrotoxic nephritis
• NTNH  nontoxic, nonhemagglutinating [protein]
• NTO  nontarget organism
• NTON  National Transparent Optical Network
• NTOS  neurogenic thoracic outlet syndrome
• NTP  narcotic treatment program; National Toxicology Program; nitroprusside; nonthrombopenic purpura; normal temperature and pressure; 5´-nucleotidase; sodium nitroprusside
• NT&P  normal temperature and pressure
• NTR  negative therapeutic reaction; nitroreductase; nontranslated region; normotensive rat; nutrition
• ntr  nutrition
• NTRC  National Toxins Research Center
• NTS  nasotracheal suction; nephrotoxic serum; neurotensin; nicotine transdermal system; nontropical sprue; nucleus tractus solitarius
• NTT  nearly total thyroidectomy
• NTU  Navy Toxicology Unit
• N-TUL  internal tumescent ultrasound liposculpture
• NTV  nerve tissue vaccine
• NTVR  normal transvalvular regurgitation
• nt wt  net weight
• NTX  naltrexone
• NTZ  normal transformation zone
• NU  name unknown
• nU  nanounit
• nu  nude [mouse]
• ν  Greek letter nu; degrees of freedom; frequency; kinematic velocity; neutrino
• NUAPS  National Unstable Angina Pectoris Study
• NUBS  nonuniform rational B-spline
• NUC  nonspecific ulcerative colitis; sodium urate crystal
• Nuc  nucleoside
• nuc  nucleated
• NUCARE  nursing care research
• nucl  nucleus
• NUD  nonulcer dyspepsia; nursing utilization database
• NUG  necrotizing ulcerative gingivitis
• NUGV  Nugget virus
• NUI  number user identification
• nullip  nulliparous
• νm  nanometers
• NUMA  nonuniform memory access; nuclear mitotic apparatus
• numc  number concentration
• NUPV  nucleopolyhedrovirus
• NURB  Neville upper reservoir buffer
• Nut  nutrition
• NUV  near ultraviolet
• NV  nausea and vomiting; necrosis virus; negative variation; neovascularization; next visit; nonveteran; normal value; Norwalk virus; not vaccinated; not venereal; not verified; not volatile
• N&V  nausea and vomiting
• Nv  naked vision
• nv  new variant
• NVA  near visual acuity
• NVB  neurovascular bundle
• NVCA  National Venereology Council of Australia
• nvCJD  new variant Creutzfeldt-Jakob disease
• NVD  nausea, vomiting, and diarrhea; neck vein distention; neovascularization of the disk; neurovesicle dysfunction; nonvalvular disease; normal vaginal delivery; no venereal disease; Newcastle virus disease; number of vessels diseased
• N/V/D  nausea, vomiting, diarrhea
• NVE  native valve endocarditis
• NVG  neovascular glaucoma; night vision goggles; nonventilated group
• NVIm  N-vinyl imidazole
• NVL  no visible lesion
• NVM  neovascular membrane; nonvolatile matter
• NVP  nevirapine; N-vinyl pyrrolidone
• NVPO  National Vaccine Program Office
• NVS  neurologic vital signs
• NVSS  normal variant short stature
• NVTS  normal volunteer telephone screening
• NW  naked weight; nasal wash
• nW  nanowatt
• NWB  nonweightbearing
• NWCL  New World cutaneous leishmaniasis
• NWDA  National Wholesale Druggists Association
• NWM  nucleotide weight matrix
• NWR  normotensive Wistar rat
• NWTS  National Wilms' Tumor Study
• NX  naloxone; no evidence of lymph node metastases [TNM (tumor-node-metastasis) classification]; no evidence of breast tumor lymph node metastases [TNM (tumor-node-metastasis) classification]
• Nx  no evidence of lymph node metastases [TNM (tumor-node-metastasis) classification]; no evidence of breast tumor lymph node metastases [TNM (tumor-node-metastasis) classification]
• NXG  necrobiotic xanthogranuloma
• ny, nyst  nystagmus
• NYAV  Nyabira virus
• NYC  New York City [medium]
• NYD  not yet diagnosed; not yet discovered
• NYHA  New York Heart Association
• NYHAFC  New York Heart Association Functional Class
• NYMV  Nyamanini virus
• NYQAS  New York Quality Assurance System
• NYV  New York virus
• NZ  neutral zone; normal zone
• NZB  New Zealand black [mouse]
• NZC  New Zealand chocolate [mouse]
• NZO  New Zealand obese [mouse]
• NZR  New Zealand red [rabbit]
• NZV  New Zealand virus
• NZW  New Zealand white [mouse]
  

N₁ | N₂ | N₃ | N₄ | N₅ | N₆ | N₇ |

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