h (hour; height) H (Hydrogen Atom) h (Planck's Constant) H Chain (Heavy Chain) H Isotopes H Zone H+ (Hydrogen Ion; Proton) H0 (Null Hypothesis) H1 (Alternate Hypothesis) H1N1 Virus H2 (Hydrogen Molecule) H2 Blockers H2O (Water) ha (hectare; 10,000 m2)) HA (Hemagglutinin) HA (Hemaglutination Assay) Haber Process (Haber-Bosch Process) Haber-Bosch Process Haber-Bosch Process (2) Habitat Habituation HAC (Human Artificial Chromosome) Hachimoji DNA HACS (hyperactive child syndrome) Hadean Eon Haematopoietic Progenitors Haematopoietic Stem Cells (HSCs) Haemocoel Haemophagocytic Lymphohistiocytosis Haemozoin (Malaria Pigment) Hafnium (Hf) Hair Hair Cell Hair Follicles Hairpin Hairpin Loop Hairpin RNA Haldane Equation Haldane–Operin Hypothesis (Oparin-Haldane Hypothesis) half-life Half-Life (t1/2) Half-Life Radioactive Decay Half-Life RNA Half-Sibling Halide Halide Ion (Halogen Ion) Halides (F, Cl, Br, I) Hallucination Hallucinogen Hallucinogens (Psychedelics) Halo- Haloalkane (R-X) Halogen Halogen Ion (Halide Ion) Halogenation Haloperoxidase Halophyres, Xero- Halophyte Halophytes Halophytes Halophytes, Hydro- Halothane Halt (Arrest) Halteria Halters (Balancers) Hamed A. Gohar (1907-1992) (Scientist) Hammerhead RNA Hamster Hanta Viruses (Orthohanta Viruses) Haph- Haphazard Sample Haplo- Haplodiploidy Haploid (Single; n) Haploid Cell Haploid Genotype (Haplotype) Haploid Nucleus Haploid Number (n) Haploidy Haplosis Haplotype (Haploid Genotype) HapMap HapMap (Haplotype Map) HapMap Project HapMap Project Happiness Hormones (Dopamine, Endorphins, Oxytocin, Serotonin) Hapt- Hapten Hapten Haptenic Haptenic Group (Hapten) Hapto- Haptoglobin Haptoglobin Haptoglobin Function Haptoglobin Receptor (IsdH) Haptophore Haptotropism Harassing Hard Tissues Hard Water Harden-Young Ester Hardy-Weinberg Law Harmala Alkaloids Harmful Genes (Harmful Mutations) Harmine (Telepathine) Harmonic Harmonic Oscillator Harmony Harvey J. Alter, Michael Houghton, and Charles M. Rice (Scientist) Hash (Hashish) Hashimoto's Disease (Hashimoto's Thyroiditis) Hashish (Hash) Hatch Slack Cycle Hausorium HAV (Hepatitis-A Virus) A Haworth Formula Haworth Projection Hay Fever Hayat Sindi (1967-) (Scientist) Hazard Hazard Ranking-Model Hazardous Chemicals Hazardous Materials Hazards Hb (Hemoglobine) Hb Kenya Hb Lepore Hb Lepore HBeAg HbH Disease HbO2 (Oxygenated Hemoglobine) HBV (Hepatitis B Virus) HBV DNA Test HC (Hemicellulose) HCC (Hepatocellular Carcinoma) hCG (Human Chorionic Gonadotropin) HCl (Hydrochloric Acid) HDAC (Histone Diacetylase) HDAC3 (Histone Acetylation 3) HDAC3 (Histone Deacetylase 3) HDL (High Density Lipoprotein) HDL Automation HDL Cholesterol HDL Foods H-DNA Head Healing Health (WHO definition) Health Care Technology Transfer Health Planetary Diet Health Science and Technology Health Science Library Health Technology Heart Heart Anatomy Heart Arrest Heart Attack Heart Diagram Heart Disease Cells Heart Diseases Heart Function Heart Pacemakers Heart Structure Heartbeat Heartburn Heat Heat Heat Heat (2) Heat Aggregated Protein Antigen Heat Body- Heat Capacity Heat Change Heat Content Heat Exchange Heat Exchanger Heat Labile (Thermolabile) Heat of Combustion Heat of Fermentation Heat of Fusion Heat of Reaction Heat of Vaporization Heat Regulation Heat Shock Factor 1 (SHF-1) Heat Shock Genes Heat Shock Protein (HSP; Stress Protein)) Heat Shock Proteins (HSP) Heat Shock Response Heat Stable Enzymes (Thermophilic Enzymes) Heavy Chain Heavy Chain (H Chain) Heavy Chain Immunoglobulin (H). Heavy Hydrogen (2H, 3H) Heavy Isotopes Heavy Metal Heavy Metals Heavy Water (Deuterium Oxide) Heavy Water (Deuterium Oxide, D2O) Hectare (ha; 10,000 square meters) Hecto- (100;102) Hectoliter (100 liters) Heidelberg Man HeLa Cells Hela Cells (breast cancer cell-line) Helical Helical Viruses Helicase (DNA Helicase) Helicobacter pylori Heliocentrism Heliothis Helium Burning Helium Fusion Helix (pl. Helixes or Helices) Helix Turn Helix Proteins Helix, A Form Helix, B Form Helix, Double- Helix, Quadrable- Helix, Trible- Helix, Z Form Helix-Loop-Helix (HLH) Helix-Turn-Helix (HTH) Helix-β Helminthes Helminthology Helper T- Cell Helper T Cells (Th Cells) Helper T- Lymphocyte  Helper Virus hem/o- (blood) Hemagglutinin (H) Hemagglutinin Esterase Hemagglutinins Hemat/o- (blood) Hematein (Hydroxyhemin) Hematemesis Hemathermous Hematocrit Hematocrit Hematocrit Range Hematocrit Value Hematological Syndrome Hematological Tumors Hematology Hematology Hematoma (mass of blood in an organ) Hematophagous Hematopoiesis (Haenopoiesis) Hematopoietic Hematopoietic Stem Cell (Blood Stem Cell) Hematopoietic Stem Cells Hematoxylin Hematoxylin and Eosin (H&E) Hematozoon Hematuria Heme Heme Heme Group Heme Oxygenase Heme Structure Hemeoxygenase Hemeprotein (Hemoprotein) Hemerythrin Hemerythrin Hemi- Hemiacetal Hemiacetal Hemicellulose (HC) Hemicholinium-3 Hemidesmosome Hemiketal Hemimetabola Hemimethylated DNA Hemin Hemiparasite Hemiptera Hemisphere Hemisyndrome hemithermoanesthesia Hemizygous Hemizygous Gene Hemlock Hemlock Hemlock Plant Hemlock Poison Hemlock Poisoning Hemo- Hemocoel Hemocyanin Hemocyanin Hemocyte Hemoenzymes Hemoerythrin Hemoglobin (2) Hemoglobin (Hb) Hemoglobin 3D Structures Hemoglobin A (Hb A) Hemoglobin A (HbA) Hemoglobin A1c Hemoglobin A1c Test (HbA1c Test) Hemoglobin A2 (HB A2) Hemoglobin A2 (HbA2) Hemoglobin Abnormal Types Hemoglobin Abnormalities Hemoglobin Adult- (Hb A) Hemoglobin C (Hb C) Hemoglobin C (HbC) Hemoglobin D Hemoglobin E Hemoglobin Embryonic- (Hb E) Hemoglobin F (Fetus Hb) Hemoglobin F (HbF) Hemoglobin Fetal- (HB F) Hemoglobin Genes Hemoglobin Glycosylated- Hemoglobin H (Hb H) Hemoglobin N Hemoglobin Normal Types Hemoglobin S (HbS) Hemoglobin S (Sickle Hemoglobin) Hemoglobin Types Hemoglobin Variant Forms- Hemoglobin Variants Hemoglobinopathies Hemoglobinopathies Hemoglobinuria Hemolymph Hemolymphatic Hemolysin Hemolysis Hemolysis (Haemolysis) Hemophagocytic Lymphohistiocytosis (HLH) Hemophilia Hemophilia Hemophilia Gene Therapy (Hemgenix) Hemopoiesis Hemopoietins Hemoprotein Hemoptysis Hemorrhage Hemorrhage Hemorrhage Hemorrhagic Fever Hemorrhagic Fevers Hemostasis (Hemoclotting) Hemotoxin Hemotoxin (Hematoxin) Hemp Hemp (Cannabis sativa) Hemp Protein Henderson-Hasselbalch Equation Henle- Koch Postulates Henle’s Loop Henostat Henri Becquerel (1852-1908) (Scientist) Henry Moseley (1887-1915) (Scientist) Henry‘s Law Hepadnaviridae (Viruses) Hepadnaviruses Heparin Heparin Heparin (3) Hepat/o- (liver) Hepatic Hepatic Portal System Hepatic Viruses Hepatitis Hepatitis A Virus (HAV) Hepatitis A, B, and C viruses Hepatitis B Hepatitis B Hepatitis B Virus (HBV) Hepatitis B Virus (HBV) Hepatitis C Hepatitis C Virus (HCV) Hepatitis C Virus (HCV) Hepatitis D Vrus (HDV) Hepatitis E Virus (HEV) Hepatoblasts HepatocellularCarcinoma (Hepatoma) Hepatocyte (Liver Cell) Hepatocyte Growth Factor Activator (HGFA) Hepatocyte Growth Factor Receptor (HGFR) Hepatocyte Growth Factor (HGF) Hepatoma (Hepatocellular Carcinoma) Hepatomalacia Hepatomegaly Hepatorrhexis Heptoses HER-2 Gene Breast Cancer Herb Herbaceous Herbal Herbal Medicine Herbal Medicine Herbal Medicine Benefits Herbal Remedies Herbarium Herbarium Herbicide Herbivore Herbivores Herd Immunity (Community Immunity) Herd Immunity (Community Immunity) (2) Hereditary Cancer Hereditary Diseases Hereditary Disorder Hereditary Neuropathic Amyloidosis Heredity Heredity Infectious- Heredity Laws Heritability Heritable Heritage Hermann Emil Fischer (1852-1919) (Scientist) Hermann Joseph Muller (Scientist) Hermaphrodite Hermaphrodite Heroin Heroin HERON (Higher Education Resources ON Demand) Herpangina Herpes B Virus Herpes Simplex Virus Herpes Virus Herpes Zoster Herpesviridae (Viruses) HerpesVirus Huminis HerpesVirus Papio HerpesVirus Ssimiae Herpesviruses Hers Disease (Genetic Metabolic Disease) Hertz (Hz) Hertzsprung-Russell Diagram (HR)) Hetero- (different) Hetero Zygote (Heterozygote) Heteroallelic Heterocaryon Heterochirality Heterochromatin Heterochromia Heterocrine Gland Heterocyclic Amino Acids Heterocyclic Compound Heterocyclie Amines Heterocyclie Amino Acid Heterocysts Heterodimer Heteroduplex Heteroduplex DNA Model Heterogametic Sex Heterogeneity Heterogeneity Genetic- Heterogeneous Heterogeneous Catalysis (2) (Contact Catalysis) Heterogeneous Catalysis (1) Heterogeneous Nuclear RNA (hnRNA) Heterogenesis Heterogenous Heterogenous Expression Heterogenous Matter Heterogenous Mixture Heterokaryon Heterologous Heterologous Antigen Heterologous Expression Heterologous Expression Heterologous Insemination Heterometabola Heteromorphic Chromosomes Heteromultimer (multimeric subunits) Heteromultimer Ptotin (composed of multimeric subunits) Heteromultimeric Protein Heterophagy Heteroplasm Heteroplasmy Heteroplasmy, Mitochondrial- Heteropolymer (Copolymer) Heteropolysaccharides Heteropolysaccharides Heterosexual Heteroshere Heterosis (Hybrid Vigor) Heterosporous (Heterospory) Heterotaxy Heterotetramer Protein Heterotetrameric Heterotetrameric, Homotetrameric, Heteromultimeric Ion Channels Heterotetrameric, Homotetrameric, and Heteromultimeric Ion Channels Heterotrimeric Heterotroph Heterotroph Hypothesis Heterotrophic Heterotrophic Nutrition Heterotropic Enzymes Heterozygosity (Heterozygous) Heterozygote Heterozygous (Heterozyosity) Heterozygous Mutation Hex-, Hexa- (Six) Hexa Nucleotide Hexagon Hexagonal Structures Hexakisphosphate kinases Hexanoic Acid (Caproic Acid) Hexanone Hexaploid Hexaploidy Hexapoda Hexokinase Hexokinase Hexokinase Hexone Bases Hexosaminidase Hexosans Hexose Bisphosphate Hexose Deficiency Hexose Metabolism Hexose Monophosphate Shunt (HMPS, Penrose Phosphate Pathway) Hexose Transporters Hexose  Hexoseamines Hexosyltransferase (Hexosyl Transferase) Hexotols Hexuloses HF (Heart Failure, Conjestive Heart Failure)) HF (Hydrofluoric Acid) Cleavage Hfr Cell (High-Frequency Recombination Cell) HGH (Human Growth Hormone) HGNC (HUGO Gene Nomenclature Committee) HGP (Human Genome Project) Hibernate Hibernating Glands Hibernation Hibernation Hibiscus Hierarchical Classification Hierarchy Higgs Boson Higgs Boson (2) High Amylase (Hyperamylasemia) High Density Lipoprotein (HDL) High Density Lipoprotein Cholesterol (HDL Cholesterol) High Endothelial Venule High Energy Biomolecules High Energy Bond High Energy Compound High Energy Molecules (in Metabolism) High Energy Phosphate High Energy Phosphate Bonds High Energy Phosphate Compounds High Energy Radiation High Mannose Oligosaccharide High Mobility Group Protein (HMG) High Performance Computing (HPC) High Performance liquid Chromatography (HPLC) High Performance Liquid Chromatography (HPLC) High Pressure Liquid Chromatography (HPLC) High Protein Diet High Risk High Throughput Genome Sequence (HTGS) High Throughput Sequencing High Vocal Center (HVC) High-Energy Astrophysics High-Energy Sulfur Bond Highly Conserved Sequence Highly Processed Hijama (Cupping Therapy) Hill Coefficient Hill Equation Hill Plot Hill Reaction Hill Reaction Hindbrain (Rhombencephalon) Hinge Hinge Motion Hinge Point Hipocampal Function Hippocampal Neurons Hippocampus Hippocampus Hippocampus Hippocrates Hippuric Acid Hippuric Acid (Benzoylglycine) Hirudin His (Histidine, H) Histaminase (Diamine Oxidase) Histamine Histamine (His, H) Histatins Histidine (His, H) Histidine Decarboxylase Histidine Kinase Associated Receptor Histidine Operon Histidine Triad Nucleotide-binding Protein (HINT) Histiocytic Tissue Histochemical Histochemistry Histocompatibility Histocompatibility Antigen Histocompatibility Antigens Histocompatibility Gene Histogen Histogenesis Histogram Histohematic Connective Tissue Barrier Histohypoxia Histology Histolysis Histone Histone Histone Acetylation Histone Acetylation/Deacetylation Histone Acetyltransferase (HATs) Histone Code Histone Deacetylase (HDAC) Histone Deacetylase 3 (HDAC3) Histone Deacetylation Histone Fold Histone Methylation (1) Histone Methylation (2) Histone Methyltransferase (HMT) Histone Modification (Post-Translational Modification) Histone Octamer (2) Histone Octamer  (1) Histone Regulation Histone Tails Histone variant Histones Histones Acetylation Histones Modifications Histopathology History of Science Histosols Histotomy Histotoxic Anoxia Histozyme (Amino Acylase) HIV (Human Immunodeficiency Virus) HIV / AIDS HIV / AIDS Pandemic (1981-Present) HIV Capsid Protein HIV Immunization HIV Protease HIV-1 NEF HLA (Human Leukocyte Antigen) HLA Class I (Human Leukocyte Antigen Class I) HLA Class II (Human Leukocyte Antigen Class II) HLA Complex (Histocompatibility Leukocytic Antigen Complex) HLA Matching HLH (Helix-Loop-Helix ) HMD (Hyaline Membrane Disease) HMG Co Reductase (3-hydroxy-3-Methyl-Glutaryl-Coenzyme A Reductase) HMG CoA (-hydroxy -- Methylglutaryl-CoA) HMG-CoA Reductase (3-Hydroxy-3-Methyl-Glutaryl-Coenzyme A Reductase HMG-CoA Reductase Inhibitors (Statins) HMG-CoA Reductase Pathway (Mevalonate Pathway) HMPS (Hexose Monophosphate Shunt) hnRNA (Heterogeneous Nuclear mRNA) Hoarding Hoax Results Hodgkin Lymphoma Hoffa's Disease (traumatic fatty tissue proliferation) Hofstee Plot Holdfast Holism Holistic Holistic Medicine Holliday Junction Holliday Model Holmgren- Golgi Canals )Intracytoplasmic Canals) Holo- Holo- Acyl Carrier Protein of Leishmania Holocrine Holoenzyme Hologenesis Holometabola Holometabolan ((Endopterygota) Holophytic Holoprosencephaly Holoproteins Holozoic Home Domain Home Domain Proteins (Homeodomain Proteins) Homeobox Homeologous Chromosomes Homeopathy Homeopathy Homeophagy Homeosis Homeostasis Homeostatic Homeostatic Cell Homeotherm Homeothermic (Warm Blooded) Homeotic Gene Homeotic Mutation Homing Homing Endonuclease Hominid Hominids Hominids Genomics Hominin Hominin Hominoid Homiothermic homo- Homo- (same, similar) Homo erectus Homo erectus Fossil Homo habilis Homo heidelbergensis Homo palaeohungaricus Homo sapiens (Humans) Homo sapiens neanderthalensis Homo sapiens rhodesiensis Homo sapiens (Human) Homoaconitase Homoaconitate Hydratase Homocentric Homochirality Homochirality Homocitrate Synthase Homocitric Acid Homocysteine Homocysteine (2) Homodimer Homoeothermic Homogametic Sex Homogamy Homogenate Homogeneity Homogeneous Homogeneous (2) Homogeneous Catalysis Homogeneous Equation Homogenesis Homogenic (Homozygous ) Homogenicity Homogenisation Homogeniser Homogenous Catalysis Homogenous Chromosomes Homogenous Matter Homogenous Membrane Homogentisic Acid (Melanic Acid) Homogeny Homolog Homologous Homologous Homologous (Molecular Biology) Homologous (same origin but different functions) Homologous Analogue Homologous Base Homologous Chromosome Homologous Chromosomes Homologous Disease (Allogenic Disease) Homologous DNA Pairing Homologous Gene Homologous Insemination Homologous Proteins Homologous Recombination Homologous Series Homologous Structures Homologous Traits Homology Homology Directed Repair (HDR) Homology Regions Homomophic Encryption Homomorphic C Chromosomes Homomorphosis Homomultimer Homomultimeric Protein Homonym Homophone Homoplasmy (Homoplasty) Homopolymer Homopolysaccharides Homopolysaccharides Homoserine Homosexual Homosexual Homosphere Homotaxis (Homotaxy) homotetrameric Homotetrameric Protein Homothallic Homotropic Enzyme Homotropic Enzymes Homotropic Regulation Homozygote Homozygote (Homozygote) Homozygous (Homogenic; Homozygosiyy) Homozygous (Homozygosity) Homozygous Chromosome (Homolog) Homozygous Gene Pair Homozygous Mutation Homozygous Recessive Homozygous Typing Cells Honey Honey Honey Bees Honey Chemistry Honeycomb Hoogstein Base Pairs HOP Protein (Hsp70-Hsp90 Organizing Protein) (Co-Chaperone) Horizontal Gene Transfer Horizontal Gene Transfer (HGT) (2) Horizontal Transfer Hormonal Proteins Hormonal Proteins (2) Hormonal Therapy (2) (Endocrine Therapy) Hormone Hormone Blockers (Hormone Suppressants; Hormone Inhibitors) Hormone Blockers (Hormone Suppressors; Puberty Blockers) Hormone Blockers Examples Hormone Receptor Hormone Replacement Therapy Hormone Replacement Therapy (HRT) Hormone Therapy Hormone Therapy (Hormonal Therapy) Hormones Hormones Hormones Hormones (2) Hormonogenesis (Hormone Formation) Hormonogenic Hormonopoiesis (Hormone Production) Horseradish Peroxidase (HRP) Host Host Host Cell Host Preference Host Range Host RNA Host, Definitive- (Final Host, Primary Host) Hot Plate / Stirrer Hot Spot House Dust Microbiota Housekeeping Gene Hox Complex Hox Genes Hox Protein HPA (Hybridization Protection Assay) HPLC (High Performance Liquid Chromatography) HPLC (High Pressure Liquid Chromatography) HPLC (High-Performance Liquid Chromatography) System HPV (Human Papilloma Virus) HPV (Human Papillomavirus)  hr (hour) HSP (Heat Shock Protein) Hsp (Heat Shock Protein) HSP90 (Heat Shock Protein 90) HT (5- Hydroxytryptamine) HTGS (High Throughput Genome Sequence) HTH (Helix-Turn-Helix) HTLV (Human T-Cell) Lymphotropic Virus) Hue (Color, Shade) HUGO (Human Genome Organization) HUGO Gene Nomenclature Committee (HGNC) Hull (Husk) Human (Homo sapiens) Human (pl. Humans) Human Artificial Chromosome (HAC) Human Body Composition Human Body Elements Human Brain Human Brain Cells Human Brain Project Human Chorionic Gonadotropin (hCG) Human Chromosomes Human Embryonic Stem Cells (hESC) Human Gene APO- (Apolipoprotein E) Human Gene Editing Human Genetics Human Genome Human Genome Copy Number Human Genome Epidemiology Network (Hugenet) Human Genome Facts Human Genome Organization (HUGO) Human Genome Project (HGP) Human Genome Project (HGP) History Human Genome Reference Consortium Human Genome Reference Sequence Human Genome Size Human Genome Variation Human Genome vs. Primate Genomes Human Germline Editing Human Germline Engineering Human Germ-Line Engineering Human Growth Hormone (hGH) Human Happiness Chemicals (Dopamine, Endorphins, Oxytocin, Serotonin) Human Host Human IL Mutants  Human Immunodeficiency Virus (HIV) Human Immunome Project (HIP) Human Insulin (Humulin) Human Leucocyte Antigen (HLA) Human Leukocyte Antigen (HLA) Human Leukocyte Antigens (HLA) Human Microbiome Human Microbiome Analysis Human Microbiome Project (HMP) Human Microbiome Project, Expanded- Human Microbiome Project, NIH- Human Mitochondrial Genome Human Mitochondrial Genome Size Human Pangenome (Pan Genome) Human Papilloma Virus (HPV) Human Papilloma Virus Vaccine (HPV) Human Papillomavirus (HPV) Human Plasma Proteome Human Reference Genome (GRC)  Human Reproduction Human Rhinovirus Human RNA-Binding Proteins Human RSV Vaccine Human T- Cell Lymphotropic Virus (HTLV) Human Telomerase Humanized Mouse Humans Humic Substances Humidity (Moisture) Humming Humor Humoral Humoral Immune Response Humoral Immune System Humoral Immunity (Antibody-Mediated Immunity) Humoral Response . humours Humulene (α-Humulene ; α-Caryophyllene) Humulin (Human Insulin ) Humulin (Human Insulin) Humulin 70/30 (Insulin Pen) Humus Hunan Brain Size Hunan Immune System Hunan Skeletal Structure Hunger Hormone (Ghrelin) Huntington Disease Huntington's Disease Huntington’s Disease Husk (Hull) HX (Hypoxanthine) Hyaline Hyaline Membrane Disease Hyaloid Membrane Hyaluronic Acid (HA) Hyaluronic Acid (HA) Hyaluronidase Hybrid Hybrid Antibody Hybrid DNA Hybrid Embryos Hybrid Infertility Hybrid Inviability Hybrid Plasmid (Chimeric Plasmid) Hybrid Vigor Hybrid Zone Hybridization Hybridization Hybridization Hybridization Probe (DNA Probe) Hybridization Protection Assay (HPA) Hybridoma Hybridoma Technology Hydr–, Hydro- Hydra Hydrangin Hydrangin (7-Hdroxycoumarin; Umbelliferone) Hydrate Hydrated Hydration Hydration Energy Hydraulic Fracking Hydrazine (NH2-NH2) Hydride (H-) Hydrlosae Hydro- (Water) Hydroalcohol Hydrocarbon Hydrocarbon Hydrocarbons Types Hydrocele Hydrocephalic Hydrochloric Acid (HCl) Hydrocortisone Hydrocortisone Hydrocortisone Hydrofolate Reductase (HFR) (1) Hydrofolate Reductase (HFR) (2) Hydrogen (H) Hydrogen (H) Hydrogen (H) Hydrogen Acceptor Hydrogen Acceptors Hydrogen Bacteria Hydrogen Blue- Hydrogen Bond Hydrogen Bond Hydrogen Bonding Hydrogen Bonds Hydrogen Bonds (2) Hydrogen Burning Hydrogen Carbonate (bicarbonate) (HCO3−1) Hydrogen Carrier Hydrogen Chloride (Hydrochloric Acid) Hydrogen Cyanide (HCN) Hydrogen Cyanide (HCN) Hydrogen Cyanide (HCN) Hydrogen Disulfide (H2S2) Hydrogen Donor Hydrogen Donors Hydrogen Electronic Configuration Hydrogen Energy Hydrogen Fuel Hydrogen Fuel (2) Hydrogen Fuel Sources Hydrogen Fuel Types Hydrogen Fusion Hydrogen Green- Hydrogen Green- Hydrogen Grey- Hydrogen Heavy- (2H, 3H) Hydrogen Industrial Sources Hydrogen Ion Hydrogen Ion (H+) Hydrogen Ion Concentration [H+] Hydrogen Isotopes Hydrogen Metabolism Hydrogen Monoxide (H2O) Hydrogen Peroxide (Bleaching Agent) Hydrogen Peroxide (H2O2) Hydrogen Peroxide Test Hydrogen phosphate (HPO4−2) Hydrogen Pump (Proton Pump) Hydrogen Selenide (H2Se) Hydrogen Sources Hydrogen Sources Hydrogen Sulfate (bisulfate) (HSO4−1) Hydrogen Sulfide ( H2S) Hydrogen Sulphide (H2S) Hydrogen Technologies Hydrogen-2 (Deuterium) Hydrogen-3 (Tritium) Hydrogenase Hydrogenase Enzyme Hydrogenate Hydrogenated (Hydrogenlyase) Hydrogenation Hydrogenation Hydrogenation Hydrogenize Hydrogenlyase (Hydrogenase) Hydrogenoid Hydrogenoxalate (HC2O−4) Hydro-Halophytes Hydrolases Hydrolases (EC 3) Hydrolases (EC3) Hydrology Hydrolysis Hydrolysis Reactions Hydrolysis Reactions Hydrolysis Reactions (2) Hydrolytic Cleavage Hydrolytic Enzyme Hydrolyzing Enzyme Hydrometeoric Hydrometer Hydronium Ion (H3O+) Hydroperoxyl Radical Hydrophilic (Water Loving) Hydrophilic Group Hydrophobic Hydrophobic Bonds Hydrophobic Effect Hydrophobic Group Hydrophobic Interaction Hydrophobic Interactions Hydrophobic Interactions Hydrophyte Hydrophyte Hydroponics Hydroponics Hydropower Hydrosphere hydrothermostat hydrothermotherapy Hydrotrope Hydrotropism Hydrotropy Hydroxide Hydroxide (Hydroxyl) Ion (OH-) Hydroxyapatite Hydroxybutyric Acid Hydroxychloroquine Hydroxyl Group (-OH) Hydroxyl Group (OH-) Hydroxyl Radical (•OH) Hydroxyl Radicals (OH-s) Hydroxylamine Hydroxylase Hydroxylation Hydroxylation Hydroxyle Ion (OH-) Hydroxysteroid Dehydrogenase Hydroxytryptamine )5-HT) Hygiene Hygiene Hypothesis Hygrometer Hygroscopic Hygroscopic Water Hygroscopy Hygrothermometer Hyl (5-Hydroxylysine) Hymen Hymenoptera Hyoscyamine (Tropane Alkaloid) Hyp (4-hydroxyproline) Hypemia (Anemia) Hyper- Hyper- (excessive, above, beyond over) Hyper Immunity Hyperacid Hyperacidity Hyperactive Hyperactivity Hyperamylasemia (High Amylase) Hyperbola Hyperbolic Curve Hyperbolic Curve Hyperbolic Geometry Hyperbolic Metasurfaces Hypercalcemia Hyperchlorhydria Hypercholesterolemia Hyperchondria Hyperdiploid Hyperdiploidy Hypergenesis Hypergenetic Hypergeometric Test Hyperglycemia Hyperglycemic Hyperimmune Hyperimmune Globulin Hyperimmune Serum Hyperimmunity Hyperkalimia Hyperlipidaemia Hypermetabolism Hypermutation Hypermutation (Somatic Hypermutation, DHM) Hypernanosoma Hypernation Hyperosmolality Hyperosmotic Hyperostosis Hyperproliferation Hypertension Hyperthermia Hyperthermia Hyperthermoesthesia Hyperthermophilic Hyperthyroidism Hyperthyroidism Hyperthyroidism Treatment Hypertonic Hypertonic Solution Hypertonicity Hypertoxic Hypertrophy Hypertrophy Hypervariable Region Hypervariable Region Hyperventilation Hypervitaminosis Hypha (pl. Hyphae) Hypnosis Hypnotherapy Hypnotics Hypo- Hypo- (below, under, less) Hypoacidity Hypoactivity Hypoalkalinity Hypocalcemia Hypocellular Hypochlorite (ClO−) Hypochondria Hypochondriac Hypochondriac Hypochondriacal Disorder Hypodermal Hypodermis Hypodiploid Hypodiploidy Hypofunctiom Hypogammaglobulinemia Hypogenesis Hypogeusia Hypoglycemia Hypoglycemic Hypoglycemic Effect Hypokalemia Hypoleukocytic (Leucopenic) Hypomethylating Agent Hyponanosoma Hypophyseal Hypophysis Hypoplasia Hyporthyroidism Treatment Hyposmolality Hypotensive Shock Hypothalamic Hypothalamic Hormones Hypothalamic Neurons Hypothalamus Hypothalamus Hypothermal Hypothermia Hypothermia Hypothesis Hypothesis Cascade- Hypothesis Scientific- Hypothesis Testing Hypothetical Hypothyroidism Hypothyroidism Hypotonic Hypotonic Saline Hypotonic Solution Hypovitaminosis Hypoxanthine (HX) Hypoxanthine-Guanine Phosphoribosyltransferase (HGPRT) Hypoxia Hyprid Vigor (Heterosis) Hypridoma Hystera (Uterus) Hysterothermometry Hz (Hertz)