Medical Branch Alphabet – G
| S. No | Acronyms | Full Form | Short Explanation | Practical Example |
|---|---|---|---|---|
| G001 | GAD | Generalized Anxiety Disorder | Chronic anxiety condition | Treated with therapy and medication |
| G002 | GABA | Gamma-Aminobutyric Acid | Inhibitory neurotransmitter | Studied in neurology and psychiatry |
| G003 | GABHS | Group A Beta-Hemolytic Streptococcus | Bacterial infection | Causes strep throat |
| G004 | GA | Gestational Age | Age of fetus in pregnancy | Monitored via ultrasound |
| G005 | GAB | Gastrointestinal and Biliary | GI tract and bile-related | Used in medical imaging context |
| G006 | GAC | Gastrointestinal Adenocarcinoma | Malignant tumor in GI tract | Detected via endoscopy |
| G007 | GAD65 | Glutamic Acid Decarboxylase 65 | Autoantibody in diabetes | Indicates type 1 diabetes risk |
| G008 | GAHT | Gender-Affirming Hormone Therapy | Hormone therapy for transgender patients | Used in endocrinology clinics |
| G009 | GALT | Galactose-1-Phosphate Uridyltransferase | Enzyme in galactose metabolism | Deficiency causes galactosemia |
| G010 | GAM | General Adaptation Model | Stress response framework | Applied in psychophysiology |
| G011 | GANS | Growth-Associated Neuronal Structures | Neuronal proteins promoting growth | Studied in neuroscience |
| G012 | GAP | GTPase-Activating Protein | Regulates GTP-binding proteins | Studied in molecular biology |
| G013 | GAS | Group A Streptococcus | Bacterial pathogen | Causes pharyngitis and skin infections |
| G014 | GAST | Glutamate-Ammonia-Synthetase Test | Enzyme activity measurement | Used in metabolic studies |
| G015 | GBA | Glucocerebrosidase | Lysosomal enzyme | Deficiency causes Gaucher disease |
| G016 | GBM | Glioblastoma Multiforme | Aggressive brain tumor | Treated with surgery and chemo |
| G017 | GBS | Guillain-Barré Syndrome | Autoimmune neuropathy | Causes paralysis and sensory loss |
| G018 | GCT | Germ Cell Tumor | Tumor originating from reproductive cells | Found in testicular or ovarian tissue |
| G019 | GD | Graves’ Disease | Autoimmune hyperthyroidism | Treated with medication or surgery |
| G020 | GDA | Gastroduodenal Artery | Blood vessel supplying stomach and duodenum | Evaluated in GI bleeding |
| G021 | GDS | Geriatric Depression Scale | Screening tool for depression in elderly | Used in primary care |
| G022 | GDH | Glutamate Dehydrogenase | Enzyme in amino acid metabolism | Measured in liver function studies |
| G023 | GDM | Gestational Diabetes Mellitus | Diabetes during pregnancy | Monitored with glucose testing |
| G024 | GDNF | Glial Cell Line-Derived Neurotrophic Factor | Protein supporting neurons | Studied in neurodegenerative disease |
| G025 | GDP | Guanosine Diphosphate | Nucleotide in cell signaling | Studied in molecular biology |
| G026 | GDSC | Genomics of Drug Sensitivity in Cancer | Database for cancer drug response | Used in oncology research |
| G027 | GDV | Gastric Dilatation-Volvulus | Life-threatening stomach condition | Common in large dogs |
| G028 | GEA | Gastroesophageal Anastomosis | Surgical connection of esophagus and stomach | Used after resection |
| G029 | GEM | Growth Evaluation Metric | Assesses growth in children | Pediatric assessment |
| G030 | GERD | Gastroesophageal Reflux Disease | Acid reflux disorder | Treated with lifestyle changes or medication |
| G031 | GF | Growth Factor | Proteins that stimulate cell growth | Used in tissue engineering |
| G032 | GFR | Glomerular Filtration Rate | Kidney function measurement | Evaluates renal health |
| G033 | GGT | Gamma-Glutamyl Transferase | Liver enzyme | Elevated in cholestasis or alcohol use |
| G034 | GH | Growth Hormone | Hormone promoting growth | Deficiency treated with GH therapy |
| G035 | GHD | Growth Hormone Deficiency | Lack of growth hormone | Causes short stature in children |
| G036 | GHRH | Growth Hormone-Releasing Hormone | Stimulates GH release | Used in endocrinology testing |
| G037 | GHV | Genital Herpes Virus | Virus causing genital herpes | Diagnosed via PCR or culture |
| G038 | GI | Gastrointestinal | Relating to stomach and intestines | Assessed in gastroenterology |
| G039 | GIB | Gastrointestinal Bleeding | Bleeding in GI tract | Detected via endoscopy |
| G040 | GIC | Gastrointestinal Cancer | Cancer of stomach, intestines, or related organs | Managed with surgery or chemotherapy |
| G041 | GIE | Gastrointestinal Endoscopy | Procedure to view GI tract | Diagnoses ulcers or tumors |
| G042 | GIG | Gastrointestinal Glucose | Glucose measured in GI studies | Studied in metabolic research |
| G043 | GIH | Gastrointestinal Hormone | Hormones regulating digestion | Example: gastrin or secretin |
| G044 | GIK | Glucose-Insulin-Potassium | Metabolic therapy in cardiology | Used in acute MI protocols |
| G045 | GIM | Gastrointestinal Motility | Movement of GI tract | Measured with manometry |
| G046 | GIN | Granulomatous Interstitial Nephritis | Kidney inflammation disorder | Diagnosed via biopsy |
| G047 | GIP | Gastric Inhibitory Peptide | Hormone regulating insulin | Studied in diabetes research |
| G048 | GIR | Glucose Infusion Rate | Measurement in metabolic studies | Used in insulin clamp studies |
| G049 | GIS | Geographic Information System | Mapping in healthcare | Epidemiology research |
| G050 | GIT | Gastrointestinal Tract | Digestive tract from mouth to anus | Evaluated in gastroenterology |
| G051 | GL | Glycemic Load | Measurement of blood sugar impact | Used in nutrition |
| G052 | GLP | Glucagon-Like Peptide | Hormone regulating glucose | Target in diabetes treatment |
| G053 | GLUT | Glucose Transporter | Protein transporting glucose | Studied in metabolism |
| G054 | GM | Genetically Modified | Refers to GM organisms | Studied in food safety |
| G055 | GM-CSF | Granulocyte-Macrophage Colony-Stimulating Factor | Cytokine stimulating white blood cells | Used in immunotherapy |
| G056 | GMH | Germinal Matrix Hemorrhage | Brain hemorrhage in neonates | Monitored in NICU |
| G057 | GMS | Gomori Methenamine Silver | Staining method in histology | Detects fungi in tissue |
| G058 | GMV | Germinal Matrix Vein | Brain vessel in neonates | Assessed in imaging |
| G059 | GN | Glomerulonephritis | Kidney inflammation | Diagnosed via biopsy |
| G060 | GNB | Gram-Negative Bacteria | Bacterial classification | Important in infectious disease |
| G061 | GNRH | Gonadotropin-Releasing Hormone | Hormone controlling puberty | Used in fertility therapy |
| G062 | GNRHR | Gonadotropin-Releasing Hormone Receptor | Receptor for GnRH | Studied in endocrinology |
| G063 | GO | Graves’ Ophthalmopathy | Eye involvement in Graves’ disease | Managed with steroids or surgery |
| G064 | GOB | Glucose Oxidase Biosensor | Device to measure glucose | Used in diabetes monitoring |
| G065 | GOC | Goals of Care | Medical planning with patient | Includes end-of-life decisions |
| G066 | GOP | Gastro-Obstetric Protocol | Clinical guideline | Used during pregnancy |
| G067 | GORD | Gastro-Oesophageal Reflux Disease | Acid reflux disorder | Similar to GERD |
| G068 | GOT | Glutamate Oxaloacetate Transaminase | Liver enzyme | Elevated in liver injury |
| G069 | GP | General Practitioner | Primary care doctor | Provides outpatient services |
| G070 | GPA | Granulomatosis with Polyangiitis | Autoimmune vasculitis | Causes sinus, lung, kidney involvement |
| G071 | GPC | Glycoprotein Component | Protein with sugar molecules | Studied in cell biology |
| G072 | GPD | Glucose-6-Phosphate Dehydrogenase | Enzyme deficiency | Causes hemolytic anemia |
| G073 | GPI | Glycosylphosphatidylinositol | Cell membrane anchor protein | Studied in molecular biology |
| G074 | GPN | Glossopharyngeal Nerve | Cranial nerve IX | Assessed in neurology exams |
| G075 | GPR | G-Protein Coupled Receptor | Membrane receptor type | Target in pharmacology |
| G076 | GPS | Global Positioning System | Location tracking | Used in medical logistics |
| G077 | GPT | Glutamate Pyruvate Transaminase | Liver enzyme (ALT) | Measured in liver function tests |
| G078 | GPx | Glutathione Peroxidase | Antioxidant enzyme | Studied in oxidative stress |
| G079 | GR | Glucocorticoid Receptor | Receptor for steroid hormones | Studied in endocrinology |
| G080 | GRAV | Gravida | Number of pregnancies | Used in obstetrics notation |
| G081 | GRE | Glucocorticoid Response Element | DNA sequence regulating steroid genes | Studied in molecular biology |
| G082 | GRN | Granulins | Proteins involved in cell growth | Studied in neurodegeneration |
| G083 | GRP | Gastrin-Releasing Peptide | Hormone stimulating gastrin | Studied in GI research |
| G084 | GRS | Genetic Risk Score | Aggregate genetic risk measure | Used in predictive medicine |
| G085 | GRV | Gastric Residual Volume | Volume of stomach contents | Monitored in ICU patients |
| G086 | GS | Gram Stain | Laboratory staining method | Differentiates bacteria types |
| G087 | GSD | Glycogen Storage Disease | Metabolic disorder | Causes hypoglycemia |
| G088 | GSH | Glutathione | Antioxidant molecule | Measured in oxidative stress studies |
| G089 | GSI | Growth Spurt Index | Measurement of growth | Pediatric monitoring |
| G090 | GSN | Gelsolin | Protein regulating actin filaments | Studied in cytoskeleton biology |
| G091 | GSR | Galvanic Skin Response | Measures skin conductance | Used in stress studies |
| G092 | GST | Glutathione S-Transferase | Detoxification enzyme | Measured in toxicology studies |
| G093 | GSV | Great Saphenous Vein | Major leg vein | Used in varicose vein surgery |
| G094 | GT | Gene Therapy | Treatment modifying genes | Applied in inherited diseases |
| G095 | GTA | Gene Transfer Agent | Viral or non-viral gene delivery | Used in research |
| G096 | GTT | Glucose Tolerance Test | Measures glucose handling | Diagnoses diabetes |
| G097 | GUC | Gastro-Ureteral Connection | Surgical anatomy term | Evaluated in urology |
| G098 | GUD | Genital Ulcer Disease | Infection causing genital lesions | Diagnosed in sexual health clinics |
| G099 | GUT | Gastrointestinal and Urinary Tract | Organs of interest | Studied in combined pathology |
| G100 | GVHD | Graft-Versus-Host Disease | Immune reaction after transplant | Managed in hematology |
| S. No | Acronyms | Full Form | Short Explanation | Practical Example |
|---|---|---|---|---|
| G101 | GVI | Gastrovascular Index | Measurement of vascularization in GI studies | Used in research imaging |
| G102 | GV | Gestational Volume | Measurement of fetal size | Ultrasound assessment |
| G103 | GVT | Gene Variant Testing | Genetic testing for pathogenic variants | Guides personalized medicine |
| G104 | GW | Gestational Week | Week of pregnancy | Tracked during prenatal care |
| G105 | GWB | Gallbladder Wall | Structural assessment in imaging | Ultrasound detects inflammation |
| G106 | GWI | Gulf War Illness | Chronic multi-symptom disorder | Studied in veteran healthcare |
| G107 | GWS | Graves’ Ophthalmopathy with Swelling | Eye complication in hyperthyroidism | Monitored in endocrinology |
| G108 | GX | Gastrectomy | Surgical removal of stomach | Performed in gastric cancer |
| G109 | GYN | Gynecology | Medical branch focused on female reproductive system | Evaluates ovarian and uterine health |
| G110 | GYR | Gyroscope | Device measuring orientation | Used in rehabilitation and balance studies |
| G111 | GA1 | Glutaric Aciduria Type 1 | Rare metabolic disorder | Managed with dietary therapy |
| G112 | GA2 | Glutaric Aciduria Type 2 | Metabolic disorder affecting fatty acid oxidation | Requires specialized diet and monitoring |
| G113 | GAB | Gamma Aminobutyric Acid | Inhibitory neurotransmitter | Studied in neurology and psychiatry |
| G114 | GAC | Gastric Adenocarcinoma | Malignant tumor of the stomach | Diagnosed via endoscopy and biopsy |
| G115 | GAF | Global Assessment of Functioning | Mental health scoring system | Used in psychiatric evaluation |
| G116 | GAL | Galactosemia | Genetic disorder of galactose metabolism | Managed with lactose-free diet |
| G117 | GAM | General Adaptation Model | Stress response framework | Used in psychophysiology research |
| G118 | GAP | GTPase-Activating Protein | Protein regulating GTP-binding enzymes | Studied in molecular biology |
| G119 | GAS | Group A Streptococcus | Bacterial pathogen | Causes pharyngitis and skin infections |
| G120 | GAST | Gastric Acid Secretion Test | Measures stomach acid production | Diagnoses peptic ulcer disease |
| G121 | GBA | Glucocerebrosidase | Lysosomal enzyme | Deficiency causes Gaucher disease |
| G122 | GBM | Glioblastoma Multiforme | Aggressive brain tumor | Treated with surgery, radiation, and chemotherapy |
| G123 | GBS | Guillain-Barré Syndrome | Autoimmune neuropathy | Causes ascending paralysis |
| G124 | GCT | Germ Cell Tumor | Tumor from reproductive cells | Testicular or ovarian origin |
| G125 | GD | Graves’ Disease | Autoimmune hyperthyroidism | Treated with medication or surgery |
| G126 | GDA | Gastroduodenal Artery | Blood vessel supplying stomach and duodenum | Evaluated in GI bleeding |
| G127 | GDS | Geriatric Depression Scale | Screening tool for depression in elderly | Applied in primary care |
| G128 | GDH | Glutamate Dehydrogenase | Enzyme in amino acid metabolism | Measured in liver function studies |
| G129 | GDM | Gestational Diabetes Mellitus | Diabetes occurring during pregnancy | Monitored with glucose testing |
| G130 | GDNF | Glial Cell Line-Derived Neurotrophic Factor | Protein supporting neurons | Studied in neurodegenerative research |
| G131 | GDP | Guanosine Diphosphate | Nucleotide in cell signaling | Studied in molecular biology |
| G132 | GDSC | Genomics of Drug Sensitivity in Cancer | Database for cancer drug response | Used in oncology research |
| G133 | GDV | Gastric Dilatation-Volvulus | Life-threatening stomach condition | Common in large breed dogs |
| G134 | GEA | Gastroesophageal Anastomosis | Surgical connection of esophagus and stomach | Used after resection |
| G135 | GEM | Growth Evaluation Metric | Assesses growth in children | Pediatric monitoring |
| G136 | GERD | Gastroesophageal Reflux Disease | Acid reflux disorder | Treated with lifestyle changes and medication |
| G137 | GF | Growth Factor | Protein stimulating cell proliferation | Used in tissue engineering studies |
| G138 | GFR | Glomerular Filtration Rate | Kidney function measurement | Evaluates renal health |
| G139 | GGT | Gamma-Glutamyl Transferase | Liver enzyme | Elevated in cholestasis or alcohol use |
| G140 | GH | Growth Hormone | Hormone promoting growth | Deficiency treated with GH therapy |
| G141 | GHD | Growth Hormone Deficiency | Lack of GH | Causes short stature in children |
| G142 | GHRH | Growth Hormone-Releasing Hormone | Stimulates GH release | Used in endocrine testing |
| G143 | GHV | Genital Herpes Virus | Virus causing genital herpes | Diagnosed via PCR or culture |
| G144 | GI | Gastrointestinal | Relating to stomach and intestines | Evaluated in gastroenterology |
| G145 | GIB | Gastrointestinal Bleeding | Bleeding in GI tract | Detected via endoscopy |
| G146 | GIC | Gastrointestinal Cancer | Cancer of stomach or intestines | Managed with surgery or chemo |
| G147 | GIE | Gastrointestinal Endoscopy | Procedure to view GI tract | Diagnoses ulcers or tumors |
| G148 | GIG | Gastrointestinal Glucose | Glucose measured in GI studies | Studied in metabolic research |
| G149 | GIH | Gastrointestinal Hormone | Hormones regulating digestion | Examples: gastrin, secretin |
| G150 | GIK | Glucose-Insulin-Potassium | Metabolic therapy in cardiology | Used in acute MI protocols |
| G151 | GIM | Gastrointestinal Motility | Movement of GI tract | Measured with manometry |
| G152 | GIN | Granulomatous Interstitial Nephritis | Kidney inflammation disorder | Diagnosed via biopsy |
| G153 | GIP | Gastric Inhibitory Peptide | Hormone regulating insulin | Studied in diabetes research |
| G154 | GIR | Glucose Infusion Rate | Measurement in metabolic studies | Used in insulin clamp studies |
| G155 | GIS | Geographic Information System | Mapping in healthcare | Epidemiology research |
| G156 | GIT | Gastrointestinal Tract | Digestive tract from mouth to anus | Evaluated in gastroenterology |
| G157 | GL | Glycemic Load | Measurement of blood sugar impact | Used in nutrition research |
| G158 | GLP | Glucagon-Like Peptide | Hormone regulating glucose | Target in diabetes therapy |
| G159 | GLUT | Glucose Transporter | Protein transporting glucose | Studied in metabolism |
| G160 | GM | Genetically Modified | Refers to modified organisms | Studied in food and biotech |
| G161 | GM-CSF | Granulocyte-Macrophage Colony-Stimulating Factor | Cytokine stimulating WBC production | Used in immunotherapy |
| G162 | GMH | Germinal Matrix Hemorrhage | Brain hemorrhage in neonates | Monitored in NICU |
| G163 | GMS | Gomori Methenamine Silver | Staining method in histology | Detects fungi in tissue |
| G164 | GMV | Germinal Matrix Vein | Neonatal brain vessel | Assessed in imaging |
| G165 | GN | Glomerulonephritis | Kidney inflammation | Diagnosed via biopsy |
| G166 | GNB | Gram-Negative Bacteria | Bacterial classification | Important in infectious disease |
| G167 | GNRH | Gonadotropin-Releasing Hormone | Hormone controlling puberty | Used in fertility therapy |
| G168 | GNRHR | Gonadotropin-Releasing Hormone Receptor | Receptor for GnRH | Studied in endocrinology |
| G169 | GO | Graves’ Ophthalmopathy | Eye involvement in hyperthyroidism | Managed with steroids or surgery |
| G170 | GOB | Glucose Oxidase Biosensor | Device to measure glucose | Used in diabetes monitoring |
| G171 | GOC | Goals of Care | Medical planning with patient | Includes end-of-life decisions |
| G172 | GOP | Gastro-Obstetric Protocol | Clinical guideline | Used during pregnancy |
| G173 | GORD | Gastro-Oesophageal Reflux Disease | Acid reflux disorder | Similar to GERD |
| G174 | GOT | Glutamate Oxaloacetate Transaminase | Liver enzyme (AST) | Elevated in liver injury |
| G175 | GP | General Practitioner | Primary care doctor | Provides outpatient services |
| G176 | GPA | Granulomatosis with Polyangiitis | Autoimmune vasculitis | Causes sinus, lung, kidney involvement |
| G177 | GPC | Glycoprotein Component | Protein with sugar molecules | Studied in cell biology |
| G178 | GPD | Glucose-6-Phosphate Dehydrogenase | Enzyme deficiency | Causes hemolytic anemia |
| G179 | GPI | Glycosylphosphatidylinositol | Cell membrane anchor protein | Studied in molecular biology |
| G180 | GPN | Glossopharyngeal Nerve | Cranial nerve IX | Assessed in neurology exams |
| G181 | GPR | G-Protein Coupled Receptor | Membrane receptor type | Target in pharmacology |
| G182 | GPS | Global Positioning System | Location tracking | Used in medical logistics |
| G183 | GPT | Glutamate Pyruvate Transaminase | Liver enzyme (ALT) | Measured in liver function tests |
| G184 | GPx | Glutathione Peroxidase | Antioxidant enzyme | Studied in oxidative stress |
| G185 | GR | Glucocorticoid Receptor | Receptor for steroid hormones | Studied in endocrinology |
| G186 | GRAV | Gravida | Number of pregnancies | Used in obstetrics notation |
| G187 | GRE | Glucocorticoid Response Element | DNA sequence regulating steroid genes | Studied in molecular biology |
| G188 | GRN | Granulins | Proteins involved in cell growth | Studied in neurodegeneration |
| G189 | GRP | Gastrin-Releasing Peptide | Hormone stimulating gastrin | Studied in GI research |
| G190 | GRS | Genetic Risk Score | Aggregate genetic risk measure | Used in predictive medicine |
| G191 | GRV | Gastric Residual Volume | Volume of stomach contents | Monitored in ICU patients |
| G192 | GS | Gram Stain | Laboratory staining method | Differentiates bacteria types |
| G193 | GSD | Glycogen Storage Disease | Metabolic disorder | Causes hypoglycemia |
| G194 | GSH | Glutathione | Antioxidant molecule | Measured in oxidative stress studies |
| G195 | GSI | Growth Spurt Index | Measurement of growth | Pediatric monitoring |
| G196 | GSN | Gelsolin | Protein regulating actin filaments | Studied in cytoskeleton biology |
| G197 | GSR | Galvanic Skin Response | Measures skin conductance | Used in stress studies |
| G198 | GST | Glutathione S-Transferase | Detoxification enzyme | Measured in toxicology studies |
| G199 | GSV | Great Saphenous Vein | Major leg vein | Used in varicose vein surgery |
| G200 | GVHD | Graft-Versus-Host Disease | Immune reaction after transplant | Managed in hematology |
