[ F ]

• F&R  force and rhythm [pulse]
• Fr  fracture; francium; franklin [unit charge]; French; frequency or frequent
• Fr1  first fraction
• f_R  respiratory frequency
• FRA  fibrinogen-related antigen; fluorescent rabies antibody
• fra  fragile [site]
• FRAC  Food Research and Action Center
• frac  fracture
• fract  fracture
• FrAdV  frog adenovirus
• F()R:Ag  factor () related antigen
• FRAME  Fund for the Replacement of Animals in Medical Experiments
• FRAMI  Fragmin in Acute Myocardial Infarction [study]
• FRAP  fluorescence recovery after photo-bleaching
• FRAT  free radical assay technique
• FRAX  fragile [chromosome] X
• fra(X)  chromosome X fragility; fragile X chromosome, fragile X syndrome
• FRAXA  fragile X syndrome A
• FRAXE  fragile X syndrome E
• FRAXIDIS  Fraxiparine in Post-Hospital Discharge [study]
• FRAXIS  Fraxiparine in Ischemic Syndromes [study]
• FRAX-MR  fragile X-mental retardation [syndrome]
• FRAXODI  Fraxiparine Once Daily Injection [study]
• Fr BB  fracture of both bones
• FRC  Federal Radiation Council; frozen red cells; functional reserve capacity; functional residual capacity
• F()R:C  factor () related cofactor activity
• FRCD  Fellow of the Royal College of Dentists; fixed ratio combination drug
• FRCGP  Fellow of the Royal College of General Practitioners
• FRCOG  Fellow of the Royal College of Obstetricians and Gynaecologists
• FRCP  Fellow of the Royal College of Physicians
• FRCPA  Fellow of the Royal College of Pathologists of Australia
• FRCPath  Fellow of the Royal College of Pathologists
• FRCP(C)  Fellow of the Royal College of Physicians of Canada
• FRCPE  Fellow of the Royal College of Physicians of Edinburgh
• FRCPI  Fellow of the Royal College of Physicians of Ireland
• FRCPsych  Fellow of the Royal College of Psychiatrists
• FRCS  Fellow of the Royal College of Surgeons
• FRCS(C)  Fellow of the Royal College of Surgeons of Canada
• FRCSEd  Fellow of the Royal College of Surgeons of Edinburgh
• FRCSEng  Fellow of the Royal College of Surgeons of England
• FRCSI  Fellow of the Royal College of Surgeons of Ireland
• FRCVS  Fellow of the Royal College of Veterinary Surgeons
• FRD  fumarate dehydrogenase
• frd  fumarate dehydrogenase [gene]
• FRDA  Friedreich ataxia
• FRD A  fumarate dehydrogenase A
• FRDA-Acad  Acadian Friedreich ataxia
• FRD B  fumarate dehydrogenase B
• FRD C  fumarate dehydrogenase C
• FRD D  fumarate dehydrogenase D
• FRE  Fischer rat embryo; flow-related enhancement
• FREFLEX  force reflecting exoskeleton
• FREIR  Federal Research on Biological and Health Effects of Ionizing Radiation
• frem  fremitus
• freq  frequency
• FRES  Fellow of the Royal Entomological Society
• FRESCO  Florence Randomized Elective Stenting in Acute Coronary Occlusion [study]
• FRESH  food re-education for elementary school health [program]
• FRET  fluorescence resonance energy transfer
• FRF  Fertility Research Foundation; follicle-stimulating hormone-releasing factor
• FRFC  functional renal failure of cirrhosis
• FRH  follicle-stimulating hormone-releasing hormone
• FRh  fetal rhesus monkey [kidney cell]
• FRhK  fetal rhesus monkey kidney [cell]
• FRHS  fast-repeating high sequence
• FRIC  Fragmin in Unstable Coronary Artery Disease [trial]
• frict  friction
• FRIPHH  Fellow of the Royal Institute of Public Health and Hygiene
• FRISC  Fragmin During Instability in Coronary Artery Disease [trial]
• FRISCII  Fragmin and/or Revascularization during Instability in Coronary Artery Disease [trial]
• FRIV  frijoles virus
• FRJM  full range joint movement
• FRMedSoc  Fellow of the Royal Medical Society
• FrMLV  Friend murine leukemia virus
• FRMS  Fellow of the Royal Microscopical Society
• FrMV  Frangipani mosaic virus
• FRNN  fuzzy rough nearest neighbor [algorithm]
• FRNS  Fryns syndrome
• FRO  floor reaction orthosis
• fROAT  flounder renal organic anion transporter
• FROC  free receiver operating characteristic
• FROG  French Rotablator Group [study]
• FROM  full range of movements
• FROST  French Optimal Stenting Trial
• FRP  follicle-stimulating hormone releasing protein; functional refractory period
• FRS  Fellow of the Royal Society; ferredoxin-reducing substance; first rank symptom; fragment separator; furosemide
• FRSH  Fellow of the Royal Society of Health
• FRT  Family Relations Test; full recovery time
• Fru  fructose
• FRV  full-length retroviral [sequence]; functional residual volume
• Frx  fracture
• FS  factor of safety; Fanconi syndrome; feasibility study; febrile seizures; Felty syndrome; fetoscopy; fibrin sealant; fibromyalgia syndrome; fibrosarcoma; field stimulation; file server; fine structure; Fisher syndrome; flexible sigmoidoscope; fluorescence spectrometry; food service; forearm supination; fractional shortening; fracture site; fragile site; frequency-shifted [imaging]; Friesinger score; frozen section; full scale [IQ]; full sensitivity; full soft [diet]; full strength; functional shortening; function study; functional system; human foreskin [cells]; simple fracture
• %FS  percent fractional shortening
• F/S  female, spayed [animal]; frozen section
• FSA  fast simulated annealing; flexible spending account
• FSB  fetal scalp blood
• FSBA  fluorosulfonylbenzoyladenosine
• FSBP  finger systolic blood pressure
• FSBT  Fowler single breath test
• FSC  finite sample criterion; Food Standards Committee; forward scatter
• FSCCL  follicular small cleaved cell lymphoma
• FSCR  flexible surface coil-type resonator
• FSD  focus-skin distance
• FSE  fast spin echo; feline spongiform encephalopathy; filtered smoke exposure
• FSE-IR  fast spin echo-inversion recovery [imaging]
• FSEV  Figulus subleavis entomopoxvirus
• FSF  fibrin stabilizing factor; front surface fluorescence
• FSG  fasting serum glucose; focal segmental sclerosis
• FSGHS  focal segmental glomerular hyalinosis and sclerosis
• FSGN  focal sclerosing glomerulonephritis
• FSGS  focal segmental glomerulosclerosis
• FSH  fascioscapulohumeral; focal and segmental hyalinosis; follicle-stimulating hormone
• FSHB  follicle-stimulating hormone, beta chain
• FSHD  facioscapulohumeral muscular dystrophy
• FSH/LR-RH  follicle-stimulating hormone and luteinizing hormone releasing hormone
• FSHR  follicle-stimulating hormone receptor
• FSH-RF  follicle-stimulating hormone-releasing factor
• FSH-RH  follicle-stimulating hormone-releasing hormone
• FSHSMA  facioscapulohumeral spinal muscular atrophy
• FSI  foam stability index; Food Sanitation Institute; functional status index
• FSIQ  full-scale intelligence quotient
• FSL  fasting serum level
• FSM  finite state machine
• FSMB  Federation of State Medical Boards
• FSMC  forward support medical company
• FSN  functional stimulation, neuromuscular
• FSOP  free-standing surgical outpatient facility
• FSP  familial spastic paraplegia; femoral hole sagittal positioning; fibrinogen split products; fibrin split products; fine suspended particles
• F-SP  special form [Lat. forma specialis]
• FSPB  finite-size pencil beam [radiation]
• FSPGR  fast spoiled gradient-recalled acquisition in steady state [MRI]
• FSQ  Functional Status Questionnaire
• FSR  Fellow of the Society of Radiographers; film screen radiography; force sensing resistor; force sensing retractor; forward stepping regression; fragmented sarcoplasmic reticulum; full scale range; fusiform skin revision
• FSRS  functional status rating system
• FSS  focal segmental sclerosis; Freeman-Sheldon syndrome; French steel sound; functional system scale; fuzzy shell segmentation [algorithm]
• FST  foam stability test
• FSU  family service unit; functional spine unit; functional subunit
• FSUM  focused segmented ultrasound machine
• FSV  feline fibrosarcoma virus; Fort Sherman virus; forward stroke volume
• FSW  female sex worker; field service worker
• FT  Fallot tetralogy; false transmitter; family therapy; farnesyl transferase; fast twitch; fatigue trial; femorotibial; fibrous tissue; fingertip; follow through; force target; Fourier transform; free testosterone; free thyroxine; full term; function test
• FT₃  free triiodothyronine
• FT₄  free thyroxine
• Ft  ferritin
• fT  free testosterone
• ft  foot, feet
• FTA  femorotibial angle; fibrin tissue adhesive; fluorescent titer antibody; fluorescent treponemal antibody
• FTA-ABS, FTA-Abs  fluorescent treponemal antibody, absorbed [test]
• FTAG, F-TAG  fast-binding target-attaching globulin
• FTAS  familial testicular agenesis syndrome
• FTase  farnesyl transferase
• FTAT  fluorescent treponemal antibody test
• FTB  front-to-back [visualization]
• FTBD  fit to be detained; full-term born dead
• FTBE  focal tick-borne encephalitis
• FTBI  fractionated total body irradiation
• FTBS  Family Therapist Behavioral Scale
• FTC  Federal Trade Commission; Fibrinolysis Trialists Collaboration; fibulotalocalcaneal [ligament]; follicular thyroid carcinoma; frequency threshold curve; frequency tuning curve
• ftc  foot candle
• FTD  femoral total density; frontotemporal dementia
• FTDS  familial testicular dysgenesis syndrome
• FTE  full-time equivalent
• FTEE  full-time employee equivalent
• FTF  finger to finger
• FTFT  fast time frequency transform
• FTG  full-thickness graft
• FTH  ferritin heavy chain; fracture threshold
• FTI  farnesyl transferase inhibitor; free thyroxine index
• FT₃ I  free triiodothyronine index
• FT₄I  free thyroxine index
• FTIR  Fourier transform infrared; functional terminal innervation ratio
• FTKA  failed to keep appointment
• FTL  ferritin light chain
• ftL  foot lambert
• FTLB  full-term live birth
• ft lb  foot pound
• FTLV  feline T-lymphotropic lentivirus
• FTM  fluid thioglycolate medium; fractional test meal
• FTMS  Fourier transform mass spectrometry
• FTN  finger to nose
• FTNB  full-term newborn
• FTND  full-term normal delivery
• FTO  fructose-terminated oligosaccharide
• FTP  file transfer protocol [sending and receiving files from remote computers on the Internet]
• FTQ  Fagerström Tolerance Questionnaire
• FTR  fractional tubular reabsorption
• FTS  family tracking system; feminizing testis syndrome; fetal tobacco syndrome; fissured tongue syndrome; flexor tenosynovitis; thymulin [Fr. facteur thymique serique]
• FTSG  full thickness skin graft
• FTT  failure to thrive; fat tolerance test; Fibrinolytic Therapy Trialist [collaboration]
• FTU  fluorescence thiourea
• FTVD  full term vaginal delivery
• FU  fecal urobilinogen; fetal urobilinogen; fluorouracil; flux unit [ion]; follow-up; fractional urinalysis; fundus
• Fu  Finsen unit
• F/U  follow-up, fundus of umbilicus
• F&U  flanks and upper quadrants
• 5-FU  5-fluorouracil
• FUB  functional uterine bleeding
• FUC  fucosidase
• Fuc  fucose
• FUCA  fucosidase alpha

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