Dictionary of Medical Acronyms & Abbreviations

[ G ]

• G  acceleration [force]; conductance; free energy; gallop; ganglion; gap; gas; gastrin; gauge; gauss; genome, genomic; geometric efficiency; giga; gingiva, gingival; glabella; globular; globulin; glucose; glycine; glycogen; goat; gold inlay; gonidial; good; goose; grade [TNM (tumor-node-metastasis) classification: GX grade cannot be assessed, G1 well differentiated tumor, G2 moderately differentiated tumor, G3 poorly differentiated tumor, G4 undifferentiated tumor]; Grafenberg spot; gram; gravida; gravitation constant; Greek; green; guanidine; guanine; guanosine; gynecology; unit of force of acceleration
• G-  giga- [10⁹]
• G₀  quiescent phase of cells leaving the mitotic cycle
• 1G  first generation
• G1  well differentiated tumor [TNM (tumor-node-metastasis) classification]
• G₁  presynthetic gap [phase of cells prior to DNA synthesis]
• GI  primigravida
• 2G  second generation
• G2  moderately differentiated tumor [TNM (tumor-node-metastasis) classification]
• G₂  postsynthetic gap [phase of cells following DNA synthesis]
• GII  secundigravida
• G3  poorly differentiated tumor [TNM (tumor-node-metastasis) classification]
• GIII  tertigravida
• G4  undifferentiated tumor [TNM (tumor-node-metastasis) classification]
• G°  standard free energy
• g  force [pull of gravity]; gap; gauge; gender; grain; gram; gravity; group; ratio of magnetic moment of a particle to the Bohr magneton; standard acceleration due to gravity, 9.80665 m/s²
• ^g  relative centrifugal force
• γ  see gamma
• GA  Gamblers Anonymous; gastric analysis; gastric antrum; general anesthesia; general angiography; general appearance; genetic algorithm; gentisic acid; germ-cell antigen; gestational age; gibberellic acid; gingivoaxial; glucoamylase; glucose; glucose/acetone; glucuronic acid; Golgi apparatus; gramicidin A; granulocyte adherence; granuloma annulare; guessed average; gut-associated; gyrate atrophy
• GA1  genetic algorithm 1 [based on algebraic rules]
• GA2  genetic algorithm 2 [fuzzy logic based on mutation strategy]
• G/A  globulin/albumin [ratio]
• Ga  gallium; granulocyte agglutination
• Gα  G protein subunit alpha complex
• ga  gauge
• GAA  gossypol acetic acid
• GAAS  Goldberg Anorectic Attitude Scale
• GABA, gaba  gamma-aminobutyric acid
• GABA_A  gamma-aminobutyric acid ionotropic receptor family A
• GABA_B  gamma-aminobutyric acid ionotropic receptor family B
• GABA_C  gamma-aminobutyric acid ionotropic receptor family C
• GABAT, GABA-T  gamma-aminobutyric acid transaminase
• GABHS  group A beta-hemolytic streptococcus
• GABI  German Angioplasty Bypass Intervention [trial]; German Angioplasty Bypass Surgery Investigation
• GABOA  gamma-amino-beta-hydroxybutyric acid
• GABRA  gamma-aminobutyric acid alpha receptor
• GAC  general ambulatory care
• GACELISA  immunoglobulin G [IgG] capture enzyme-linked immunosorbent assay [ELISA]
• GACT  government activity [UMLS]
• GAD  generalized anxiety disorder; glutamic acid decarboxylase
• GADFLI  general absorbed [radiation] dose and fluence investigation
• GADH  gastric alcohol dehydrogenase
• GADS  gonococcal arthritis/dermatitis syndrome
• GAdV  goat [caprine] adenovirus
• GAEIB  Group of Advisors on the Ethical Implications of Biotechnology [European Economic Community]
• GAERS  genetic absence epilepsy rats from Strasbourg
• GAF  global assessment of functioning [scale]
• GAFeSV  Gardner-Arnstein feline sarcoma virus
• GAFG  goal attainment follow-up guide
• GAG  glycosaminoglycan; group-specific antigen
• GAH  glyceraldehyde
• GAHS  galactorrhea-amenorrhea hyperprolactinemia syndrome
• GaHV  gallid herpesvirus
• GAIN  Glycine Antagonist GV150526 in Acute Stroke [trial]
• GaIN  Georgia Interactive Network for Medical Information
• GAIP  human G_α interacting protein
• GAIPAS  General Audit Inpatient Psychiatric Assessment Scale
• GAIT-ER-AID  Gait Explanation and Reasoning Aid [computer gait analysis system]
• GAL  galactose; galactosyl; glucuronic acid lactone
• Gal  galactose
• gal  galactose; gallon
• GALBP  galactose-binding protein
• GALC, GalC  galactocerebroside
• GALE  galactose epimerase
• GALK  galactokinase
• GalN  galactosamine
• GalNAc  N-acetylgalactosamine
• GALNS  galactosamine-4-sulfatase
• Gal-1-P  galactose-1-phosphate
• GalR  galanin receptor
• GALT  galactose-1-p-uridyltransferase; gut-associated lymphoid tissue
• GALV  gibbon ape leukemia virus
• Galv, galv  galvanic
• Gα  G protein subunit alpha complex
• GAM  geographical analysis machine
• GAME  immunoglobulins G, A, M, and E
• GAMIS  German-Austrian Myocardial Infarction Study
• GAMM  generalized abstract medical model
• γ  Greek letter gamma; a carbon separated from the carboxyl group by two other carbon atoms; a constituent of the gamma protein plasma fraction; heavy chain of immunogammaglobulin; a monomer in fetal hemoglobin; photon
• γG  immunoglobulin G
• GAMP  German-Austrian Multicenter Project
• GAMS  German-Austrian Multicenter Study
• GAMV  Gamboa virus
• GAN  giant axon neuropathy
• G and D  growth and development
• gang, gangl  ganglion, ganglionic
• GANS  granulomatous angiitis of the nervous system
• GAO  general accounting office
• GAP  glottal area patency; D-glyceraldehyde-3-phosphate; growth associated protein; guanosine triphosphatase-activating protein
• GAPD, GAPDH  glyceraldehyde-3-phosphate dehydrogenase
• GAPDP  glyceraldehyde-3-phosphate dehydrogenase pseudogene
• GAPO  growth retardation, alopecia, pseudo-anodontia, and optic atrophy [syndrome]
• GAPST  global average peri-stimulus time
• GarCLV  garlic common latent virus
• GarLV  garlic latent virus
• GarMbFV  garlic mite-borne filamentous virus
• GarMbLV  garlic mite-borne latent virus
• GARS  German-Austrian Reinfarction Study; glycine amide phosphoribosyl synthetase
• GART  genotype antiretroviral resistance test
• GARV  Garba virus
• GAS  galactorrhea-amenorrhea syndrome; gastric acid secretion; gastrin; gastroenterology; general adaptation syndrome; generalized arteriosclerosis; global anxiety score; global assessment scale; goal attainment scale; group A Streptococcus; growth arrest-specific [gene]
• GASA  growth-adjusted sonographic age
• GASCIS  German-Austrian Space-occupying Cerebellar Infarction Study
• GASP  Group Against Smoking Pollution [study]
• gastroc  gastrocnemius [muscle]
• GAT  gamma aminobutyric acid transporter; gelatin agglutination test; geriatric assessment team; Gerontological Apperception Test; group adjustment therapy
• GATB  Global Alliance for TB Drug Development
• GATR  group attribute [UMLS]
• GAUS  German Activator Urokinase Study
• GAVI  Global Alliance for Vaccines and Immunization
• GAWTS  genomic amplification with transcript sequencing
• GAXS  German and Austrian Xamoterol Study
• GB  gallbladder; gigabyte; glial bundle; goof balls; Guillain-Barre [syndrome]
• Gb  gigabit; gilbert
• gB  glycoprotein B
• GBA  ganglionic blocking agent; gingivobuccoaxial
• GBAP  glucocerebrosidase pseudogene
• GBD  gallbladder disease; gender behavior disorder; glass blower's disease; Global Burden of Disease [study]; granulomatous bowel disease
• Gβ  G protein subunit beta complex
• GBF/DIME  Geographic Base File Dual Independent Map Encoding [Bureau of Census file]
• GBG  glycine-rich beta-glycoprotein; gonadal steroid-binding globulin
• GBH  gamma-benzene hexachloride; graphite benzalkonium-heparin
• GBHA  glyoxal-bis-(2-hydroxyanil)
• GBI  globulin-binding insulin
• GBIA  Guthrie bacterial inhibition assay
• GBL  glomerular basal lamina
• GBM  glioblastoma multiforme; glomerular basement membrane
• GBP  gabapentin; galactose-binding protein; gastric bypass; gated blood pool
• GBpd  gigabits per day
• Gbps  gigabits per second
• Gbq  gigabequerel
• GBR  guided bone regeneration
• GBS  gallbladder series; gastric bypass surgery; general biopsychosocial screening; glycerine-buffered saline [solution]; group B Streptococcus; Guillain-Barre syndrome
• GBSS  Gey's balanced saline solution; Guillain-Barre-Strohl syndrome
• GC  ganglion cell; gas chromatography; general circulation; general closure; general condition; generalizability coefficient; generalized coherence; genetic counseling; geriatric care; germinal center; giant cell; glucocerebrosidase; glucocorticoid; goblet cell; Golgi cell; gonococcus; gonorrhea; granular casts; granulomatous colitis; granulosa cell; group-specific component; guanine cytosine; guanylate (or guanylyl) cyclase
• Gc  galactocerebroside; gigacycle; gonococcus; group-specific component
• gC  glycoprotein C
• GCA  gastric cancer area; giant cell arteritis
• g-cal  gram calorie
• GCAP  germ-cell alkaline phosphatase
• GCAT  Guideline Compliance Assessment Tool
• GCB  gonococcal base
• GC-B  guanylate cyclase B
• gCBF  global cerebral blood flow
• GCBM  glomerular capillary basement membrane
• GCD  graft coronary disease
• GCDFP  gross cystic disease fluid protein
• GCF  growth-rate-controlling factor
• GCFT  gonococcal/gonorrhea complement fixation test
• GCFV  ginger chlorotic fleck virus
• GCG  galactosyl ceramide beta-galactosidase; Genetics Computer Group; glucagon
• GCGR  glucagon receptor; glucocorticoid receptor
• GCH  granular clinical history
• GCI  General Cognitive Index; glottal closure instant
• GCIIS  glucose controlled insulin infusion system
• GCK  glomerulocystic kidney; glucokinase
• GCL  giant-cell lesion; globoid cell leukodystrophy
• GCLO  gastric Campylobacter-like organism
• GCM  Gorlin-Chaudhry-Moss [syndrome]
• g-cm  gram-centimeter
• gCMRO₂  global cerebral oxygen uptake
• GC-MS  gas chromatography-mass spectrometry
• GC/MS  gas chromatography/mass spectrometry
• GCN  geometric constraint network; giant cerebral neuron
• GCNA  Genetic Confidentiality and Nondiscrimination Act
• GCNF  glial cell-derived neurotrophic factor
• g-coef  generalizability coefficient
• GCOP  glucocorticoid-induced osteoporosis
• GCP  geriatric cancer population; German Cardiovascular Prevention [study]; good clinical practices; granulocyte chemotactic protein
• GCPS  Greig cephalopolysyndactyly syndrome
• GCR  glucocorticoid receptor; Group Conformity Rating
• GCRC  General Clinical Research Center [of NIH]
• GCRG  giant-cell reparative granuloma
• GCRS  gynecological chylous reflux syndrome
• GCS  general clinical services; Gianotti-Crosti syndrome; Glasgow Coma Scale; global coordinate system [computer-assisted surgery]; glucocorticosteroid; glutamylcysteine synthetase; glycine cleavage system
• GCSA  Gross cell surface antigen
• GCSE  generalized convulsive status epilepticus
• G-CSF  granulocyte colony-stimulating factor
• GCSFR  granulocyte colony-stimulating factor receptor
• GCSP  glycine cleavage system protein
• GCT  general care and treatment; germ-cell tumor; giant cell thyroiditis; giant cell tumor
• GC(T)A  giant cell (temporal) arteritis
• GC-TEA  gas chromatography thermal energy analyzer
• GCTTS  giant cell tumor of tendon sheath
• GCU  gonococcal urethritis
• GCV  ganciclovir; great cardiac vein
• GCVF  great cardiac vein flow
• GCV-TP  ganciclovir triphosphate
• GCW  glomerular capillary wall
• GCWM  General Conference on Weights and Measures
• GCY  gastroscopy
• GD  gadolinium; gastroduodenal; Gaucher disease; general diagnostics; general dispensary; gestational day; Gianotti disease; gonadal dysgenesis; Graves disease; growth and development; growth delay
• Gd  gadolinium
• gD  glycoprotein D
• gD2  glycoprotein D2
• G&D  growth and development
• GDA  gastroduodenal artery; general daily activity; germine diacetate; Graves disease autoantigen
• GDAC  Generic Drugs Advisory Committee [FDA]
• GDB  gas density balance; Genome Database; guide dogs for the blind