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# MeSH Tree Structures - 2015, to 2 levels
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mesh:MeSH Tree Structure:ROOT:0
mesh_A:A Anatomy:mesh:0
mesh_A01:A01 Body Regions:mesh_A:1
mesh_A02:A02 Musculoskeletal System:mesh_A:1
mesh_A03:A03 Digestive System:mesh_A:1
mesh_A04:A04 Respiratory System:mesh_A:1
mesh_A05:A05 Urogenital System:mesh_A:1
mesh_A06:A06 Endocrine System:mesh_A:1
mesh_A07:A07 Cardiovascular System:mesh_A:1
mesh_A08:A08 Nervous System:mesh_A:1
mesh_A09:A09 Sense Organs:mesh_A:1
mesh_A10:A10 Tissues:mesh_A:1
mesh_A11:A11 Cells:mesh_A:1
mesh_A12:A12 Fluids and Secretions:mesh_A:1
mesh_A13:A13 Animal Structures:mesh_A:1
mesh_A14:A14 Stomatognathic System:mesh_A:1
mesh_A15:A15 Hemic and Immune Systems:mesh_A:1
mesh_A16:A16 Embryonic Structures:mesh_A:1
mesh_A17:A17 Integumentary System:mesh_A:1
mesh_A18:A18 Plant Structures:mesh_A:1
mesh_A19:A19 Fungal Structures:mesh_A:1
mesh_A20:A20 Bacterial Structures:mesh_A:1
mesh_A21:A21 Viral Structures:mesh_A:1
mesh_B:B Organisms:mesh:0
mesh_B01:B01 Eukaryota:mesh_B:1
mesh_B02:B02 Archaea:mesh_B:1
mesh_B03:B03 Bacteria:mesh_B:1
mesh_B04:B04 Viruses:mesh_B:1
mesh_B05:B05 Organism Forms:mesh_B:1
mesh_C:C Diseases:mesh:0
mesh_C01:C01 Bacterial Infections and Mycoses:mesh_C:1
mesh_C02:C02 Virus Diseases:mesh_C:1
mesh_C03:C03 Parasitic Diseases:mesh_C:1
mesh_C04:C04 Neoplasms:mesh_C:1
mesh_C05:C05 Musculoskeletal Diseases:mesh_C:1
mesh_C06:C06 Digestive System Diseases:mesh_C:1
mesh_C07:C07 Stomatognathic Diseases:mesh_C:1
mesh_C08:C08 Respiratory Tract Diseases:mesh_C:1
mesh_C09:C09 Otorhinolaryngologic Diseases:mesh_C:1
mesh_C10:C10 Nervous System Diseases:mesh_C:1
mesh_C11:C11 Eye Diseases:mesh_C:1
mesh_C12:C12 Male Urogenital Diseases:mesh_C:1
mesh_C13:C13 Female Urogenital Diseases and Pregnancy Complications:mesh_C:1
mesh_C14:C14 Cardiovascular Diseases:mesh_C:1
mesh_C15:C15 Hemic and Lymphatic Diseases:mesh_C:1
mesh_C16:C16 Congenital, Hereditary, and Neonatal Diseases and Abnormalities:mesh_C:1
mesh_C17:C17 Skin and Connective Tissue Diseases:mesh_C:1
mesh_C18:C18 Nutritional and Metabolic Diseases:mesh_C:1
mesh_C19:C19 Endocrine System Diseases:mesh_C:1
mesh_C20:C20 Immune System Diseases:mesh_C:1
mesh_C21:C21 Disorders of Environmental Origin:mesh_C:1
mesh_C22:C22 Animal Diseases:mesh_C:1
mesh_C23:C23 Pathological Conditions, Signs and Symptoms:mesh_C:1
mesh_C24:C24 Occupational Diseases:mesh_C:1
mesh_C25:C25 Chemically-Induced Disorders:mesh_C:1
mesh_C26:C26 Wounds and Injuries:mesh_C:1
mesh_D:D Chemicals and Drugs:mesh:0
mesh_D01:D01 Inorganic Chemicals:mesh_D:1
mesh_D02:D02 Organic Chemicals:mesh_D:1
mesh_D03:D03 Heterocyclic Compounds:mesh_D:1
mesh_D04:D04 Polycyclic Compounds:mesh_D:1
mesh_D05:D05 Macromolecular Substances:mesh_D:1
mesh_D06:D06 Hormones, Hormone Substitutes, and Hormone Antagonists:mesh_D:1
mesh_D08:D08 Enzymes and Coenzymes:mesh_D:1
mesh_D09:D09 Carbohydrates:mesh_D:1
mesh_D10:D10 Lipids:mesh_D:1
mesh_D12:D12 Amino Acids, Peptides, and Proteins:mesh_D:1
mesh_D13:D13 Nucleic Acids, Nucleotides, and Nucleosides:mesh_D:1
mesh_D20:D20 Complex Mixtures:mesh_D:1
mesh_D23:D23 Biological Factors:mesh_D:1
mesh_D25:D25 Biomedical and Dental Materials:mesh_D:1
mesh_D26:D26 Pharmaceutical Preparations:mesh_D:1
mesh_D27:D27 Chemical Actions and Uses:mesh_D:1
mesh_E:E Analytical,Diagnostic and Therapeutic Techniques and Equipment:mesh:0
mesh_E01:E01 Diagnosis:mesh_E:1
mesh_E02:E02 Therapeutics:mesh_E:1
mesh_E03:E03 Anesthesia and Analgesia:mesh_E:1
mesh_E04:E04 Surgical Procedures, Operative:mesh_E:1
mesh_E05:E05 Investigative Techniques:mesh_E:1
mesh_E06:E06 Dentistry:mesh_E:1
mesh_E07:E07 Equipment and Supplies:mesh_E:1
mesh_F:F Psychiatry and Psychology:mesh:0
mesh_F01:F01 Behavior and Behavior Mechanisms:mesh_F:1
mesh_F02:F02 Psychological Phenomena and Processes:mesh_F:1
mesh_F03:F03 Mental Disorders:mesh_F:1
mesh_F04:F04 Behavioral Disciplines and Activities:mesh_F:1
mesh_G:G Phenomena and Processes:mesh:0
mesh_G01:G01 Physical Phenomena:mesh_G:1
mesh_G02:G02 Chemical Phenomena:mesh_G:1
mesh_G03:G03 Metabolic Phenomena:mesh_G:1
mesh_G04:G04 Cell Physiological Phenomena:mesh_G:1
mesh_G05:G05 Genetic Phenomena:mesh_G:1
mesh_G06:G06 Microbiological Phenomena:mesh_G:1
mesh_G07:G07 Physiological Phenomena:mesh_G:1
mesh_G08:G08 Reproductive and Urinary Physiological Phenomena:mesh_G:1
mesh_G09:G09 Circulatory and Respiratory Physiological Phenomena:mesh_G:1
mesh_G10:G10 Digestive System and Oral Physiological Phenomena:mesh_G:1
mesh_G11:G11 Musculoskeletal and Neural Physiological Phenomena:mesh_G:1
mesh_G12:G12 Immune System Phenomena:mesh_G:1
mesh_G13:G13 Integumentary System Physiological Phenomena:mesh_G:1
mesh_G14:G14 Ocular Physiological Phenomena:mesh_G:1
mesh_G15:G15 Plant Physiological Phenomena:mesh_G:1
mesh_G16:G16 Biological Phenomena:mesh_G:1
mesh_G17:G17 Mathematical Concepts:mesh_G:1
mesh_H:H Disciplines and Occupations:mesh:0
mesh_H01:H01 Natural Science Disciplines:mesh_H:1
mesh_H02:H02 Health Occupations:mesh_H:1
mesh_I:I Anthropology,Education,Sociology and Social Phenomena:mesh:0
mesh_I01:I01 Social Sciences:mesh_I:1
mesh_I02:I02 Education:mesh_I:1
mesh_I03:I03 Human Activities:mesh_I:1
mesh_J:J Technology,Industry,Agriculture:mesh:0
mesh_J01:J01 Technology, Industry, and Agriculture:mesh_J:1
mesh_J02:J02 Food and Beverages:mesh_J:1
mesh_K:K Humanities:mesh:0
mesh_K01:K01 Humanities:mesh_K:1
mesh_L:L Information Science:mesh:0
mesh_L01:L01 Information Science:mesh_L:1
mesh_M:M Named Groups:mesh:0
mesh_M01:M01 Persons:mesh_M:1
mesh_N:N Health Care:mesh:0
mesh_N01:N01 Population Characteristics:mesh_N:1
mesh_N02:N02 Health Care Facilities, Manpower, and Services:mesh_N:1
mesh_N03:N03 Health Care Economics and Organizations:mesh_N:1
mesh_N04:N04 Health Services Administration:mesh_N:1
mesh_N05:N05 Health Care Quality, Access, and Evaluation:mesh_N:1
mesh_N06:N06 Environment and Public Health:mesh_N:1
mesh_V:V Publication Characteristics:mesh:0
mesh_V01:V01 Publication Components:mesh_V:1
mesh_V02:V02 Publication Formats:mesh_V:1
mesh_V03:V03 Study Characteristics:mesh_V:1
mesh_V04:V04 Support of Research:mesh_V:1
mesh_Z:Z Geographicals:mesh:0
mesh_Z01:Z01 Geographic Locations:mesh_Z:1