[ F ]

• F  bioavailability; a cell that donates F factor in bacterial conjugation; coefficient of inbreeding; a conjugative plasmid in F⁺ bacterial cells; degree of fineness of abrasive particles; facies; factor; Fahrenheit; failure; false; family; farad; Faraday constant; fascia; fasting; fat; father; feces; fellow; female; fermentation; fertility; fetal; fiat; fibroblast; fibrous; field of vision; filament; Filaria; fine; finger; flexion; flow; fluorine; flux; focal [spot]; focus; foil; fontanel; foramen; force; form, forma; formula; fornix; fossa; fraction, fractional; fracture; fragment; free; French [catheter]; frequency; frontal; frontal electrode placement in electroencephalography; function; fundus; Fusiformis; fusion; Fusobacterium; gilbert; Helmholz free energy; hydrocortisone [compound F]; inbreeding coefficient; left foot electrode in vectorcardiography; phenylalanine; variance ratio
• F₀, F₁  coupling factor
• F₁, F₂, etc.  first, second, etc., filial generation; years of fellowship study
• FI, FII, etc.  factors I, II, etc.
• F344  Fischer 344 [rat]
• °F  degree on the Fahrenheit scale
• F´  a hybrid F plasmid
• F^-  a bacterial cell lacking an F plasmid
• F⁺  a bacterial cell having an F plasmid
• f  atomic orbital with angular momentum quantum number 3; farad; fasting; father; female; femto; fiber, fibrous; fingerbreadth; fission; flexion; fluid; focal; foot; form, forma; formula; fostered [experimental animal]; fraction; fracture; fragment; frequency [statistics]; frontal; function; fundus; numerical expression of the relative aperture of a camera lens
• f-  femto- [10^-15]
• FA  factor analysis; false aneurysm; Families Anonymous; Fanconi anemia; far advanced; fatty acid; febrile antigen; femoral artery; fetal age; fibrinolytic activity; fibroadenoma; fibrosing alveolitis; field ambulance; field assessment; filterable agent; filtered air; first aid; flip angle; fluorescent antibody; fluorescent assay; fluoroalanine; folic acid; follicular area; food allergy; forearm; fortified aqueous [solution]; fractional anisotropy; free acid; Freund adjuvant; Friedreich ataxia; functional activity; functional administration
• F/A  fetus active
• fa  fatty [rat]
• FAA  folic acid antagonist; formaldehyde, acetic acid, alcohol; fumarylacetoacetic acid
• FA-A  Fanconi anemia A [gene]
• FAAN  Fellow of the American Academy of Nursing
• FAB  fast atom bombardment; formalin ammonium bromide; fragment, antigen-binding [of immunoglobulins]; French-American-British [leukemia staging]; functional arm brace
• FA-B  Fanconi anemia B [gene]
• Fab  fragment, antigen-binding [of immunoglobulins]
• F(ab´)₂  fragment, antigen-binding [of immunoglobulins, obtained by pepsin cleavage]
• Fabc  fragment, antigen and complement binding [of immunoglobulins]
• FABER  flexion in abduction and external rotation
• FABF  femoral artery blood flow
• FAB-MS  fast atom bombardment-mass spectrometry
• FABP  fatty acid-binding protein; folate-binding protein
• FAC  familial adenomatosis coli; femoral arterial cannulation; ferric ammonium citrate; fetal abdominal circumference; fluorescent aromatic compound; 5-fluorouracil, Adriamycin, and cyclophosphamide; foamy alveolar cast; fractional area changes; free available chlorine; functional aerobic capacity
• FA-C  Fanconi anemia C [gene]
• Fac  factor
• fac  facility; to make [Lat. facere]
• FACA  Fanconi anemia complementation group A; Fellow of the American College of Anesthetists; Fellow of the American College of Angiology; Fellow of the American College of Apothecaries
• FACAI  Fellow of the American College of Allergy and Immunology
• FACAS  Fellow of the American College of Abdominal Surgeons
• FACB  Fanconi anemia complementation group B
• Facb  fragment, antigen, and complement binding
• FACC  Fanconi anemia complementation group C; Fellow of the American College of Cardiologists
• FACCT  Foundation for Accountability
• FACD  Fanconi anemia complementation group D; Fellow of the American College of Dentists
• FACE  fluorophore assisted carbohydrate electrophoresis
• FACEP  Fellow of the American College of Emergency Physicians
• FACES  Family Adaptability and Cohesion Evaluation Scale; unique facies, anorexia, cachexia, and eye and skin lesions [syndrome]
• FACET  Flosequinan Angiotensin Converting Enzyme-Inhibitor [ACEI] Trial; Fosinopril Amlodipine Cardiovascular Events Trial
• FACFP  Fellow of the American College of Family Physicians
• FACFS  Fellow of the American College of Foot Surgeons
• FACG  Fellow of the American College of Gastroenterology
• FACH  forceps to after-coming head
• FACHA  Fellow of the American College of Health Administrators; Fellow of the American College of Hospital Administrators
• FACHE  Fellow of the American College of Healthcare Executives
• FACIT  fibril-associated collagen with interrupted triple helices
• FACL  fatty acid coenzyme ligase
• FACLM  Fellow of the American College of Legal Medicine
• FACMTA  Federal Advisory Council on Medical Training Aids
• FACN  Fellow of the American College of Nutrition
• FACNHA  Foundation of American College of Nursing Home Administrators
• FACNM  Fellow of the American College of Nuclear Medicine
• FACNP  Fellow of the American College of Nuclear Physicians
• FACO  Fellow of the American College of Otolaryngology
• FACOG  Fellow of the American College of Obstetricians and Gynecologists
• FACOS  Fellow of the American College of Orthopaedic Surgeons
• FACOSH  Federal Advisory Committee on Occupational Safety and Health
• FACP  Fellow of the American College of Physicians
• FACPE  Fellow of the American College of Physician Executives
• FACPM  Fellow of the American College of Preventive Medicine
• FACR  Fellow of the American College of Radiology
• FACS  Fellow of the American College of Surgeons; fluorescence-activated cell sorter
• FACScan  fluorescence associated cell sorter scan
• FACSM  Fellow of the American College of Sports Medicine
• FACT  Flannagan Aptitude Classification Test; focused appendix computed tomography; functional assessment of cancer therapy
• FACT-B  functional assessment of cancer therapy-breast
• FACTS  Functional Angiometric Correlation with Thallium Scintigraphy [trial]
• FACWA  familial amyotrophic chorea with acanthocytosis
• FAD  familial Alzheimer dementia; familial autonomic dysfunction; fetal activity-acceleration determination; flash-induced afterdischarge; flavin adenine dinucleotide
• FA-D  Fanconi anemia D [gene]
• FADF  fluorescent antibody dark field
• FADH₂  reduced form of flavin adenine dinucleotide
• FADIR  flexion in adduction and internal rotation
• FADN  flavin adenine dinucleotide
• FADS  fetal akinesia deformation sequence
• FAdV  fowl adenovirus
• FAE  fetal alcohol effect; follicle-associated epithelium
• FA-E  Fanconi anemia E [gene]
• FAEE  fatty acid ethyl ester
• FAEES  fatty acid ethyl ester synthase
• FAES  Foundation for Advanced Education in the Sciences
• FAF  fatty acid free; fibroblast-activating factor
• FAH  Federation of American Hospitals
• FAHIS  Florida Abuse Hotline Information System
• Fahr  Fahrenheit
• FaHV  falconid herpesvirus
• FAI  first aid instruction; free androgen index; functional aerobic impairment; functional assessment inventory
• FAJ  fused apophyseal joint
• FAK  focal adhesion kinase
• FALG  fowl antimouse lymphocyte globulin
• FALP  fluoro-assisted lumbar puncture
• FALS  familial amyotrophic lateral sclerosis; forward angle light scatter
• FAM  5-fluorouracil, Adriamycin, and mitomycin C; fuzzy associative memory
• Fam, fam  family, familial
• FAMA  Fellow of the American Medical Association; fluorescence-assisted mismatch analysis; fluorescent antibody to membrane antigen
• FAM-A  functional area model-activity
• FAM-D  functional area model of data
• FAME  fatty acid methyl ester
• FAMG  family group [UMLS]
• fam hist  family history
• FAMIS  Fosinopril in Acute Myocardial Infarction Study
• FAMMM  familial atypical multiple mole-melanoma [syndrome]
• FAMOUS  Fragmin Advanced Malignancy Outcome Study
• FAMP  fludarabine
• FAN  fuchsin, amido black, and naphthol yellow
• FANA  fluorescent antinuclear antibody
• F and R  force and rhythm [of pulse]
• FANEL  Federation for Accessible Nursing Education and Licensure
• FANPT  Freeman Anxiety Neurosis and Psychosomatic Test
• FANTASTIC  Full Anticoagulation vs Aspirin and Ticlopidine After Stent Implantation [study]
• FAO  Food and Agriculture Organization [of United Nations]
• FAO₂  fractional alveolar oxygen
• FAOF  family assessment of occupational functioning
• FAP  familial adenomatous polyposis; familial amyloid polyneuropathy; fatty acid polyunsaturated; fatty acid poor; femoral artery pressure; fibrillating action potential; Fibrinolytics vs Primary Angioplasty [trial]; fixed action potential; frozen animal procedure; functional ambulation profile
• FAPA  Fellow of the American Psychiatric Association; Fellow of the American Psychoanalytical Association
• FAPHA  Fellow of the American Public Health Association
• FAPIS  Flecainide and Propafenone Italian Study
• FAPS  Felodipine Atherosclerosis Prevention Study; French Aortic Plaque Study
• FAPY  formamidopyrimidine
• FAQ  frequently asked question; functional asessment questionnaire
• FAR  fatal accident rate; Federal acquisitions regulation; fractional albumin rate
• far  faradic
• FARE  Federation of Alcoholic Rehabilitation Establishments
• FARS  Fatality Analysis Reporting System
• FARV  Farallon virus
• FAS  Family Attitude Scale; fatty acid synthetase; Federation of American Scientists; fetal akinesia sequence; fetal alcohol syndrome
• FASA  Federated Ambulatory Surgery Association
• FASB  Financial Accounting Standards Board
• FASC  free-standing ambulatory surgical center
• fasc  fasciculus, fascicular
• FASEB  Federation of American Societies for Experimental Biology
• FASHP  Federation of Associations of Schools of the Health Professions
• FAST  ferment active solution therapy; Fitness, Arthritis and Seniors Trial; flow-assisted, short-term [balloon catheter]; fluorescent antibody staining technique; fluoro-allergosorbent test; focused abdominal sonography for trauma; Fourier acquired steady state; Frenchay Aphasia Screening Test; functional assessment stages
• FASTEST  Femoral Artery Stent Study
• FAST-MI  Field Ambulance Study of Thrombolysis in Myocardial Infarction
• FAstV  feline astrovirus
• FAT  family attitudes test; fluorescent antibody technique; fluorescent antibody test
• FAT_DPA  fat dual photon absorptiometry
• FATIMA  Fraxiparin Anticoagulant Therapy in Myocardial Infarction Study in Amsterdam
• Fat_IVNA  fat in vitro neutron activation analysis
• FATS  face and thigh squeeze [position for bag mask ventilation]; Familial Atherosclerosis Treatment Study; fast adiabatic trajectory in steady state
• FAT_UWW  fat underwater weighing
• FAV  facio-auriculovertebral [sequence]; feline ataxia virus; floppy aortic valve; fowl adenovirus
• FAVS  facio-auriculo-vertebral spectrum
• F_AW  airway flow
• FAX, fax  facsimile
• FAZ  Fanconi-Albertini-Zellweger [syndrome]; foveal avascular zone; fragmented atrial activity zone
• FB  factor B; fascicular block; fasting blood [test]; feedback; fiberoptic bronchoscopy; fingerbreadth; flexible bronchoscope, flexible bronchoscopy; foreign body; Fusobacterium
• FBA  fecal bile acid
• FBAO  foreign-body airway obstruction
• F-BAR  forward and backward autoregressive [algorithm]
• FBC  full blood count
• FBCOD  foreign body of the cornea, oculus dexter (right eye)
• FBCOS  foreign body of the cornea, oculus sinister (left eye)
• FBCP  familial benign chronic pemphigus
• FBD  forward/backward bending; functional bowel disorder
• fBDE  fractional balanced differential expression [microarray analysis]
• FbDP  fibrin degradation products
• FBE  full blood examination
• FBEC  fetal bovine endothelial cell
• FBF  forearm blood flow; full breast feeding
• FBG  fasting blood glucose; fibrinogen; foreign body granulomatosis
• fbg  fibrinogen
• FBH  familial benign hypercalcemia
• FBHH  familial benign hypocalciuric hypercalcemia
• FBI  flossing, brushing, and irrigation
• FBJMSV  Finkel-Biskis-Jinkins murine sarcoma virus
• FBL  follicular basal lamina
• FBLN  fibulin
• FBM  felbamate; fetal breathing movements; fractional or fractal brownian motion; fresh bone marrow
• FBN  Federal Bureau of Narcotics; fibribillin
• FBP  femoral blood pressure; fibrin breakdown product; filtered back projection [algorithm]; folate-binding protein; fructose-1,6-biphosphatase
• FBPM  forward-backward Prony method [spectral analysis of heart sounds]
• FBPsS  Fellow of the British Psychological Society
• FBR  fetal breathing rate
• FBS  fasting blood sugar; feedback system; fetal bovine serum; film-based system
• FBSC  Frederick Biomedical Supercomputing Center [NIH]
• FBSS  failed back surgery syndrome; field-based similarity searching
• FC  family coping; fasciculus cuneatus; fast component [of a neuron]; febrile convulsions; feline conjunctivitis; ferric chloride; ferric citrate; fibrocyte; finger clubbing; finger counting; flow compensation; fluorocarbon; fluorocytosine; Foley catheter; follicle culture; foster care; fowl cholera; free cholesterol; frontal cortex; functional castration
• 5-FC  flucytosine; 5-fluorocytosine
• F + C  flare and cells
• Fc  centroid frequency; fraction/centrifuge; fragment, crystallizable [of immunoglobulin]
• Fc´  a fragment of an immunoglobulin molecule produced by papain digestion
• fc  cutoff frequency; foot candles
• FCA  ferritin-conjugated antibodies; Freund's complete adjuvant; functional capacity assessment
• FCAH  familial cytomegaly adrenocortical hypoplasia [syndrome]
• FCAP  Fellow of the College of American Pathologists
• FCAT  Federative Committee on Anatomical Terminology
• F cath  Foley catheter
• FCC  Federal Communications Commission; follicular center cells; Food Chemicals Codex
• fcc  face-centered-cubic
• f/cc  fibers per cubic centimeter of air
• FCCA  familial congenital cardiac abnormality
• FCCH  family child care home
• FCCL  follicular center cell lymphoma
• FCCSET  Federal Coordinating Committee for Science, Engineering and Technology

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