F F - F Fahrenheit degrees. F - F female. F - F phenylalanine. F & E - F & E flexion & extension. F(hor) - F(hor) horizontal ground reaction force. F-actin - F-actin filamentous actin. F-BKP - F-BKP femoral-below-knee-popliteal bypasses. f.b. - f.b. foreign body F.H. - F.H. family history. F/H - F/H family history. F/I - F/I fever due to infection. F/U - F/U follow-up. F7 - F7 factor VII gene on chromosome 13q34-qter. FA - FA failed appointment. FA - FA Fanconi's anemia. FA - FA fluorapatite. FA - FA forearm. FAA - FAA Federal Aviation Agency . FAAN - FAAN Federal Airport Authority of Nigeria. FAAP - FAAP F-actin image analysis program. FAAP - FAAP Fellow of the American Academy of Pediatrics. FAAP - FAAP free amino acid pool. FAAP - FAAP functional activity of plasminogen activators in plasma. FAAP - FAAP N-formylaminoantipyrine. Faap(s) - Faap(s) fatty acid activation protein(s). FAAU - FAAU functional activity of plasminogen activators in urine. FAB - FAB French American and British classification scheme for leukemia. FABERE - FABERE flexion abduction external rotation and extension. FABP - FABP fatty acid binding protein. FACC - FACC Fellow of the American College of Cardiology. FACES-II - FACES-II Family Adaptability and Cohesion Evaluation Scales Version II. FACFAS - FACFAS Fellow of the American College of Foot and Ankle Surgeons. FACOG - FACOG Fellow Of The American College Of Obstetrics And Gynecology. FACOI - FACOI Fellow of the American College of Osteopathic Internists. FACP - FACP Fellow of the American College Of Physicians. FACS - FACS Fellow of the American College Of Surgeons. FACS - FACS fluorescence-activated cell sorter. FACU - FACU Federal Agricultural Coordinating Unit. FAD - FAD flavin adenine dinucleotide. FADIR - FADIR flexion adduction and internal rotation. FADIRE - FADIRE flexion adduction internal rotation and extension. FAI - FAI Foot and Ankle International (Journal). FALT - FALT follicle-associated lymphoid tissue. FAMS - FAMS functional assessment of multiple sclerosis. FANA - FANA fluorescent antinuclear antibody test (see also ANA). FAO - FAO United Nations Food and Agricultural Organization. FAOP - FAOP Florida Association of Orthotists and Prosthetists. FAP - FAP familial adenomatous polyposis. FAQ - FAQ frequently asked questions. FAS/ITP - FAS/ITP Foreign Agriculture Service/International Trade Policy. FASIG - FASIG Foot and Ankle Special Interest Group. FAWC - FAWC Farm Animal Welfare Concil (UK). FB - FB Fb fingerbreadth. FB - FB foreign body. FBC - FBC full blood count. FBD - FBD Familial British dementia. FBD - FBD feather and beak disease (a bird disease). FBD - FBD fibrin binding domain. FBD - FBD fibrocystic breast disease FBD - FBD Flow-BOLD (blood oxygenation level-dependent) -Dependence. FBD - FBD food-borne diseases. FBD - FBD forearm bone density. FBD - FBD functional bowel disorder/distress. FBD - FBD functional breathing disorder. FBI - FBI Federal Bureau of Investigations. FBP - FBP filtered back-projection. FBS - FBS fasting blood sugar. FBS - FBS Finnish Bone Society (EFFO Member Society). FC - FC finger counting. FCA - FCA fracture complete angulated. FCAPM - FCAPM formal college approved postgraduate meeting. FCC - FCC Federal Communications Commission. FCC - FCC fracture complete comminuted; fracture compound FCCC - FCCC fracture complete comminuted compound. FCCP - FCCP Fellow of the American College Of Chest Physicians. FCD - FCD fracture complete deviated. FCE - FCE food conversion efficiency. FCI - FCI flow cytometric immunophenotyping. FCM - FCM flow cytometry. FCMC - FCMC family-centered maternity care. FCOVD - FCOVD Fellow of the College of Optometrists in Vision Development. FCR - FCR flexor carpi radialis. FCS - FCS fetal calf serum. FCT - FCT Federal Capitol Territory. FCU - FCU flexor carpi ulnaris. FD - FD familial dysautonomia. Fd-MIV - Fd-MIV Friend derived murine immunosuppressive virus. FDA - FDA Food and Drug Administration (US). FDA-BAM - FDA-BAM Food & Drug Administration-Bacteriological Analytical Manual. FDC - FDC follicular dendritic cells. FDI - FDI first dorsal interosseus (muscle of the hand). FDIM - FDIM fluorescence digital imaging microscopy. FDIO - FDIO first dorsal interosseous (muscle). FDMA - FDMA first dorsal metacarpal artery. FDP - FDP fibrin degradation products. FDP - FDP flexor digitorum profundus. FDP - FDP fructose-16-diphosphate. FDS - FDS flexor digitorum superficialis. FDV - FDV Four dimensional visualization. Fe - Fe iron. FEA - FEA focal epileptic activity. FEB - FEB fever. FECG - FECG fetal electrocardiogram. FECS - FECS Federation of European Cancer Societies. FEF - FEF forced expiratory flow. FEKG - FEKG fetal electrocardiogram. FEL - FEL familial erythrophagocytic lymphohistiocytosis. FeLV - FeLV feline leukemia virus. FeNa - FeNa fractional excretion of sodium: (UNa x PCr/PNa x UCr) x 100; <1 in prerenal azotemia and 1 in intrinsic renal azotemia. FEP - FEP free erythrocyte protoporphyrin. FER - FER flexion extension rotation. FERC - FERC Federal Energy Regulatory Commission. FES - FES functional electric stimulation (Cleveland FES Center). FES - FES functional electrical stimulation. FES - FES functional endoscopic sinus. FES-LCE - FES-LCE functional electrical stimulation (FES)-induced leg cycle ergometer (LCE). FESSH - FESSH Federation of the European Societies for Surgery of the Hand. FEV - FEV forced expiratory volume. FEV1 - FEV1 forced expiratory volume in one second. FF - FF forward flexion. Ff - Ff free fraction. FFA - FFA for further appointment. FFD - FFD free from disability. FFM - FFM Five-Factor Model of personality. FFROM - FFROM full free range of motion. FFS - FFS failure-free survival. FFS - FFS fee-for-service. FFS - FFS Five-Factors Score (a prognostic scoring systems). FFT - FFT forward flexion: fingertips to toes. FGF - FGF fibroblast growth factor. FH - FH family history. FH - FH follicular hyperplasia. FHLH - FHLH familial histiocytic lymphohistiocytosis. FHR - FHR fetal heart rate. FHS - FHS fetal heart sounds. FHT - FHT fetal heart tones. Fib - Fib fibroblasts. FID - FID flame ionization detectors (chromatography). FIGO - FIGO International Federation of Gynecology and Obstetrics (Federation Internationale de Gynecologie et d’Obstetrique). FIMS - FIMS Federation Internationale de Medecine Sportive (International Federation of Sports Medicine). FIN - FIN finasteride. FINCEN - FINCEN Financial Center. FiO2 - FiO2 fraction of inspired oxygen. FISH - FISH fluorescence in situ hybridization. FIT - FIT Fracture Intervention Trial. FITC - FITC fluorescein isothiocyanate. FIX - FIX fixed arm support. FJRM - FJRM full joint range of motion. FL - FL flank. FL - FL flexion. FL - FL fluid. FL - FL follicular lymphoma. FL - FL fully lactating. FL-LC - FL-LC follicular lymphoma large cell. FL-M - FL-M follicular lymphoma mixed small cleaved and large. FL-SC - FL-SC follicular lymphoma small cleaved. FLD - FLD frontal lobe dementia. Flex - Flex flexion. FLEX - FLEX flexion. Fli1 - Fli1 Friend leukemia integration 1 gene. FLX - FLX flexion FMD - FMD family medical doctor. FMD - FMD foot and mounth disease. FMF - FMF Foreign Military Funding. FMH - FMH fetal-maternal hemorrhage. FMR-1 - FMR-1 fragile X mental retardation 1 gene. FMRP - FMRP fragile X mental retardation protein(s). FMS - FMS fibromyalgia syndrome. FMSI - FMSI Federazione Medico Sportiva Italiana (Federation of Italian Sports Medicine) (ItalianMedSport). FN - FN fibronectin. FNA - FNA fine needle aspiration. FNAB - FNAB fine-needle aspiration biopsy. FNH - FNH focal nodular hyperplasia. FNP - FNP family nurse practitioner FO - FO fecal output. FOBT - FOBT fecal occult blood testing. FOC - FOC flight of colors test. FOP - FOP fibrodysplasia ossificans progressiva. FORE - FORE Foundation for Osteoporosis Research and Education. FOS - FOS Finnish Osteoporosis Society (EFFO Member Society). FOS - FOS full of stool/constipated. FOSA - FOSA Federation of Spine Associations (AAOS Specialty Societies). FOSIT - FOSIT Fosamax International Trial. FP - FP fluticasone propionate. FPA - FPA fibrinopeptide A. FPB - FPB fibrinopeptide B. FPB - FPB flexor pollicis brevis. FPD - FPD fibrin(ogen) degradation products. FPIA - FPIA fluorescence polarization immunoassay. FPL - FPL flexor pollicis longus. FPL - FPL functional profile length. FPM - FPM full passive movements. FPMA - FPMA Florida Podiatric Medical Association. FPT - FPT farnesyl protein transferase. FR - FR fracture. FR - FR frequency of respiration. FR - FR full range. FRBB - FRBB fracture of both bones. FRC - FRC fibroblastic reticulum cells. FRC - FRC functional residual capacity. FRCP - FRCP Fellow of the Royal College of Physicians. FRCP(C) - FRCP(C) Fellow of the Royal College of Physicians of Canada. FRCSI - FRCSI Fellow of the Royal College of Surgeons in Ireland. FRJM - FRJM full range of joint movement. FROM - FROM full range of motion full range of movement. FS - FS frozen section. FSB - FSB Formosan Society of Biomechanics. FSC - FSC forward angle light scatter (flow cytometry term). FSC - FSC fracture simple comminuted. FSCAI - FSCAI Fellow of the Society for Cardiac Angiography and Interventions. FSCC - FSCC fracture simple complete comminuted. FSCCL - FSCCL follicular small cleaved cell lymphomas. FSCPC - FSCPC fast-setting calcium phosphate cement. FSD - FSD functional sensory deficit. FSE - FSE fast-spin-echo. FSGS - FSGS focal and segmental glomerulosclerosis. FSH - FSH follicle stimulating hormone. FSN - FSN Foreign Service National. FSOs - FSOs family members and significant others. FSS - FSS frozen shoulder syndrome. ft - ft Foot feet (measure). FT - FT low-molecular polypeptide factors of thymus. FT-IR - FT-IR Fourier Transform Infrared Spectroscopy. FT4 - FT4 free thyroxin. FT4I - FT4I free thyroxin (T4) index. FTA-ABS - FTA-ABS fluorescent treponemal antibody absorption test. FTD - FTD frontotemporal dementia. FTI - FTI farnesyl transferase inhibitor. FTI - FTI free thyroxin index. FTIR - FTIR Fourier Transform Infrared. FTKA - FTKA failed to keep appointment. FTND - FTND full term normal delivery. FTNM - FTNM The French TNM Group. FTR - FTR fast-twitch red (skeletal muscle). FTSG - FTSG full thickness skin graft. FTT - FTT failure to thrive. FTW - FTW fast-twitch white (skeletal muscle). FTW - FTW fat weight. FTW - FTW first time wheezing. FTY - FTY fat yield. FU - FU follow-up. FU(5-) - FU(5-) 5-fluorouracil (treatment regimen). FUBAR - FUBAR Fowled Up Beyond All Recognition. FUO - FUO fever of undetermined (or unknown) origin. FVC - FVC forced vital capacity. FVII - FVII factor VII. FVIIa - FVIIa activated factor VII. FVIIAg - FVIIAg factor VII antigen. FVIIc - FVIIc factor VII coagulant activity. FWB - FWB full weight bearing. FX - FX Fx fracture. FXBB - FXBB fracture of both bones. FXS - FXS fragile X syndrome. FY - FY fiscal year. FYI - FYI for your information.