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The National Center for Biomedical Ontology is one of the National Centers for Biomedical Computing supported by the NHGRI, the NHLBI, and the NIH Common Fund under grant U54-HG004028.
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	Biodiversity Information Standards (BIS)
	Cancer Biomedical Informatics Grid (caBIG)
	Clinical and Translational Science Awards (CTSA)
	Consultative Group on International Agricultural Research (CGIAR)
	CTSA Health Ontology Mapper (CTSA-HOM)
	OBO Foundry (OBO_Foundry)
	Proteomics Standards Initiative (PSI)
	Unified Medical Language System (UMLS)
	WHO Family of International Classifications (WHO-FIC)

	All Organisms
	Anatomy
	Animal Development
	Animal Gross Anatomy
	Arabadopsis
	Biological Process
	Biomedical Resources
	Cell
	Cellular anatomy
	Chemical
	Development
	Dysfunction
	Ethology
	Experimental Conditions
	Fish Anatomy
	Gene Product
	Genomic and Proteomic
	Gross Anatomy
	Health
	Human
	Human Developmental Anatomy
	Imaging
	Immunology
	Microbial Anatomy
	Molecule
	Mouse Anatomy
	Neurologic Disease
	Neurological Disorder
	Other
	Phenotype
	Physicochemical
	Plant
	Plant Anatomy
	Plant Development
	Protein
	Subcellular
	Subcellular anatomy
	Taxonomic Classification
	Upper Level Ontology
	Vocabularies
	Yeast

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	Adverse Event Reporting Ontology (AERO)
	Allen Brain Atlas (ABA) Adult Mouse Brain Ontology (ABA-AMB)
	Alzheimer's disease ontology (ADO)
	Amino Acid Ontology (AMINO-ACID)
	Amphibian Gross Anatomy Ontology (AAO)
	Amphibian Taxonomy Ontology (ATO)
	An ontology for experimental actions (EXACT)
	Anatomic Pathology Lexicon (PATHLEX)
	Anatomical Entity Ontology (AEO)
	Anatomical Therapeutic Chemical Classification (ATC)
	Animal Natural History and Life History Ontology (ADW)
	Animal Trait Ontology for Livestock (ATOL)
	APA Neuro Cluster (APANEUROCLUSTER)
	APA Occupational and Employment cluster (APAOCUEMPLOY)
	APA Statistical Cluster (APASTATISTICAL)
	APA Tests and Testing cluster (APATANDT)
	APA Treatment Cluster (APATREATMENT)
	apalegal (LEGALAPATEST2)
	Artificial Intelligence Rheumatology Consultant System Ontology (AI-RHEUM)
	Ascomycete Phenotype Ontology (APO)
	Autism Spectrum Disorder Phenotype Ontology (ASDPTO)
	Basic Formal Ontology (BFO)
	Beta Cell Genomics Ontology (OBI_BCGO)
	Bilingual Ontology of Alzheimer's Disease and Related Diseases (ONTOAD)
	BioAssay Ontology (BAO)
	Biodiversity Ontology (BOF)
	Bioinformatics Web Service Ontology (OBIWS)
	Biological Collections Ontology (BCO)
	Biological Imaging Methods Ontology (FBbi)
	Biological Observation Matrix Ontology (BIOMO)
	Biologie Hors Nomenclature (BHN)
	Biomarker Ontology (BMO)
	Biomedical Image Ontology (BIM)
	Biomedical Informatics Research Network Project Lexicon (BIRNLEX)
	Biomedical Research Integrated Domain Group Model (BRIDG)
	Biomedical Resource Ontology (BRO)
	Biomedical Topics (BMT)
	BioModels Ontology (BIOMODELS)
	Bionutrition Ontology (BNO)
	BioPAX Ontology of Biological Pathways (BP)
	BioPortal Metadata Ontology (BP-METADATA)
	BioTop Ontology (BT)
	Bleeding History Phenotype Ontology (BHO)
	Body System Terms from ICD11 (ICD11-BODYSYSTEM)
	Bone and Cartilage Tissue Engineering Ontology (BCTEO)
	Bone Dysplasia Ontology (BDO)
	Botryllus schlosseri anatomy and development ontology (BSAO)
	Brain Region & Cell Type terminology (BRCT)
	Breast Cancer Grading Ontology (BCGO)
	Breast Tissue Cell Lines Ontology (MCBCC)
	BRENDA Tissue and Enzyme Source Ontology (BTO)
	Brucellosis Ontology (IDOBRU)
	C. elegans Development Vocabulary (WB-LS)
	C. elegans Gross Anatomy Vocabulary (WB-BT)
	C. elegans Phenotype Vocabulary (WB-PHENOTYPE)
	Cancer Chemoprevention Ontology (CANCO)
	Cancer Research and Management ACGT Master Ontology (ACGT-MO)
	Cardiac Electrophysiology Ontology (EP)
	CARRE Risk Factor ontology (CARRE)
	Cell Behavior Ontology (CBO)
	Cell Culture Ontology (CCONT)
	Cell Cycle Ontology (CCO)
	Cell Line Ontology (CLO)
	Cell Line Ontology [by Mahadevan] (MCCL)
	Cell Ontology (CL)
	Cellular microscopy phenotype ontology (CMPO)
	Cereal Plant Development Ontology (GRO-CPD)
	Cereal Plant Gross Anatomy Ontology (GRO-CPGA)
	Cerebrotendinous Xanthomatosis Ontology (CTX)
	Cerrado concepts and plant community dynamics (CCON)
	Chemical Entities of Biological Interest Ontology (CHEBI)
	Chemical Information Ontology (CHEMINF)
	Chemical Methods Ontology (CHMO)
	Cigarette Smoke Exposure Ontology (CSEO)
	Clinical Measurement Ontology (CMO)
	Clinical Signs and Symptoms Ontology (CSSO)
	Clinical Trials Ontology (CTO)
	Clusters of Orthologous Groups (COG) Analysis Ontology (CAO)
	Coding Symbols for a Thesaurus of Adverse Reaction Terms (COSTART)
	Cognitive Atlas Ontology (COGAT)
	Cognitive Paradigm Ontology (COGPO)
	Common Anatomy Reference Ontology (CARO)
	Common Terminology Criteria for Adverse Events (CTCAE)
	Comparative Data Analysis Ontology (CDAO)
	Computational Neuroscience Ontology (CNO)
	Computer Assisted Brain Injury Rehabilitation Ontology (CABRO)
	Computer Cluster (APACOMPUTER)
	computer network (CN)
	Computer Retrieval of Information on Scientific Projects Thesaurus (CRISP)
	Computer-Based Patient Record Ontology (CPRO)
	Congenital Heart Defects Ontology (CHD)
	Content Archive Resource Exchange Lexicon (CARELEX)
	CPTAC Proteomics Pipeline Infrastructure Ontology (CPTAC)
	Crop Ontology (CO)
	Current Procedural Terminology (CPT)
	Current Procedural Terminology (plus retired codes) for i2b2 (CPT-I2B2)
	Dataset processing (ONL-DP)
	DebugIT Core Ontology (DCO-DEBUGIT)
	Dengue Fever Ontology (IDODEN)
	Dermatology Lexicon (DERMLEX)
	Diagnosis Ontology of Clinical Care Classification (DOCCC)
	Diagnostic Ontology (DIAGONT)
	DICOM Controlled Terminology (DCM)
	Dictyostelium Discoideum Anatomy Ontology (DDANAT)
	Disease core ontology applied to Rare Diseases (HRDO)
	Disorders cluster (APADISORDERS)
	Dispedia Core Ontology (DCO)
	Drosophila Development Ontology (FB-DV)
	Drosophila Gross Anatomy Ontology (FB-BT)
	Drug Interaction Knowledge Base Ontology (DIKB)
	Eagle-I Research Resource Ontology (ERO)
	EDAM bioinformatics operations, data types, formats, identifiers and topics (EDAM)
	EDAM Topics (EDAMTO)
	EDDA Study Design Terminology (EDDA)
	Educational Cluster (APAEDUCLUSTER)
	Electrocardiography Ontology (ECG)
	Eligibility Feature Hierarchy (ELIG)
	Emotion Ontology (MFOEM)
	Environment Ontology (ENVO)
	Environment Ontology for Livestock (EOL)
	Enzyme Reaction Ontology for annotating Partial Information of chemical transformation (PIERO)
	Epilepsy Ontology (EPILONT)
	Epoch Clinical Trial Ontology (CTONT)
	Evidence Codes Ontology (ECO)
	Experimental Conditions Ontology (XCO)
	Experimental Factor Ontology (EFO)
	Family Health History Ontology (FHHO)
	Fanconi Anemia Ontology (IFAR)
	Fire Ontology (FIRE)
	Fission Yeast Phenotype Ontology (FYPO)
	Flora Phenotype Ontology (FLOPO)
	Fly Taxonomy (FB-SP)
	FlyBase Controlled Vocabulary (FB-CV)
	Foundational Model of Anatomy (FMA)
	Fungal Gross Anatomy Ontology (FAO)
	G Protein-Coupled Receptor BioAssays Ontology (BAO-GPCR)
	Galen Ontology (GALEN)
	Gazetteer (GAZ)
	Gene Ontology (GO)
	Gene Ontology Extension (GO-EXT)
	Gene Regulation Ontology (GRO)
	General Formal Ontology (GFO)
	General Formal Ontology for Biology (GFO-BIO)
	Genome Component Ontology (GCO)
	Genomic Clinical Decision Support Ontology (GENE-CDS)
	Genomic Feature and Variation Ontology (GFVO)
	GeoSpecies Ontology (GEOSPECIES)
	Glycomics Ontology (GLYCO)
	GoMapMan (GMM)
	Graphical Pathway Markup Language (GPML)
	Habronattus Courtship Ontology (HC)
	Health Level Seven Reference Implementation Model, Version 3 (HL7)
	Healthcare Common Procedure Coding System (HCPCS)
	HIV ontology (HIV)
	HIVOntologymain.owl (HIVO004)
	Host Pathogen Interactions Ontology (HPIO)
	Human Dermatological Disease Ontology (DERMO)
	Human Developmental Anatomy Ontology, abstract version 1 (EHDAA)
	Human Developmental Anatomy Ontology, abstract version 2 (EHDAA2)
	Human Developmental Anatomy Ontology, timed version (EHDA)
	Human Disease Ontology (DOID)
	Human Genome Organization Gene Symbols (HUGO)
	Human Interaction Network Ontology (HINO)
	Human Phenotype Ontology (HP)
	Human Physiology Simulation Ontology (HUPSON)
	Hymenoptera Anatomy Ontology (HAO)
	Image and Data Quality Assessment Ontology (IDQA)
	Immune Disorder Ontology (IMMDIS)
	Immunogenetics Ontology (IMGT-ONTOLOGY)
	Infectious Disease Ontology (IDO)
	Influenza Ontology (FLU)
	Information Artifact Ontology (IAO)
	Informed Consent Ontology (ICO)
	Interaction Network Ontology (INO)
	Interaction Ontology (IXNO)
	InterNano Nanomanufacturing Taxonomy (InterNano)
	International Classification for Nursing Practice (ICNP)
	International Classification for Patient Safety (ICPS)
	International Classification of External Causes of Injuries (ICECI)
	International Classification of Diseases, Version 10 (ICD10)
	International Classification of Diseases, Version 10 - Clinical Modification (ICD10CM)
	International Classification of Diseases, Version 10 - Procedure Coding System (ICD10PCS)
	International Classification of Diseases, Version 9 - Clinical Modification (ICD9CM)
	International Classification of Functioning, Disability and Health (ICF)
	International Classification of Primary Care (ICPC)
	International Classification of Primary Care - 2 PLUS (ICPC2P)
	KB_Bio_101 (AURA)
	Kinetic Simulation Algorithm Ontology (KISAO)
	legalapa (LEGALAPA)
	Lipid Ontology (LIPRO)
	Loggerhead Nesting Ontology (LHN)
	Logical Observation Identifier Names and Codes (LOINC)
	Magnetic Resonance Dataset Acquisition Ontology (ONL-MR-DA)
	Maize Gross Anatomy Ontology (ZEA)
	Major Histocompatibility Complex Ontology (MHC)
	Malaria Ontology (IDOMAL)
	Mammalian Phenotype Ontology (MP)
	Mass Spectrometry Ontology (MS)
	Master Drug Data Base Clinical Drugs (MDDB)
	Mathematical Modelling Ontology (MAMO)
	Measurement Method Ontology (MMO)
	Medaka Fish Anatomy and Development Ontology (MFO)
	Medical Dictionary for Regulatory Activities (MEDDRA)
	Medical image simulation (OntoVIP)
	Medical Subject Headings (MESH)
	MedlinePlus Health Topics (MEDLINEPLUS)
	Menelas Project Top-Level Ontology (TOP-MENELAS)
	Mental Functioning Ontology (MF)
	Mental State Assessment (ONL-MSA)
	Metagenome and Microbes Environmental Ontology (MEO)
	Metagenome Sample Vocabulary (MSV)
	Microarray and Gene Expression Data Ontology (MO)
	Microbial Culture Collection Vocabulary (MCCV)
	Microbial Typing Ontology (TYPON)
	MicroRNA Ontology (MIRNAO)
	Minimal Anatomical Terminology (MAT)
	Minimal Information about any Sequence (MIxS) Controlled Vocabularies (MIXSCV)
	Minimal Information about any Sequence Ontology (MIXS)
	Minimal Standard Terminology of Digestive Endoscopy (MSTDE)
	Minimal Standard Terminology of Digestive Endoscopy, French (MSTDE-FRE)
	Mobile Genetic Element Ontology (MEGO)
	Molecular Interaction Map (MIM)
	Mosquito Gross Anatomy Ontology (TGMA)
	Mosquito Insecticide Resistance Ontology (MIRO)
	Mouse Adult Gross Anatomy Ontology (MA)
	Mouse Experimental Design Ontology (MEDO)
	Mouse Gross Anatomy and Development Ontology (EMAP)
	Mouse Pathology Ontology (MPATH)
	Multiple sclerosis ontology (MSO)
	Name Reaction Ontology (RXNO)
	NanoParticle Ontology (NPO)
	National Cancer Institute Thesaurus (NCIT)
	National Center for Biotechnology Information (NCBI) Organismal Classification (NCBITAXON)
	National Drug Data File (NDDF)
	National Drug File - Reference Terminology (NDFRT)
	National Institutes of Health Stroke Scale Ontology (NIHSS)
	Natural Products Ontology (NATPRO)
	Neglected Tropical Disease Ontology (NTDO)
	Neomark Oral Cancer Ontology, version 3 (NEOMARK3)
	Neomark Oral Cancer Ontology, version 4 (NEOMARK4)
	Neural ElectroMagnetic Ontology (NEMO)
	Neural Motor Recovery Ontology (NEUMORE)
	Neural-Immune Gene Ontology (NIGO)
	Neuro Behavior Ontology (NBO)
	NeuroMorpho.Org species ontology (NMOSP)
	Neuroscience Information Framework (NIF) Cell Ontology (NIFCELL)
	Neuroscience Information Framework (NIF) Dysfunction Ontlogy (NIFDYS)
	Neuroscience Information Framework (NIF) Standard Ontology (NIFSTD)
	Neuroscience Information Framework (NIF) Subcellular Ontology (NIFSUBCELL)
	NGS ontology (NGSONTO)
	NHS Quality Indicators (NHSQI2009)
	NMR-Instrument Component of Metabolomics Investigations Ontology (NMR)
	Non-Randomized Controlled Trials Ontology (NONRCTO)
	Nursing Care Coordination Ontology (NCCO)
	Nursing Interventions Classification (NIC)
	Online Mendelian Inheritance in Man (OMIM)
	Ontological Knowledge Base Model for Cystic Fibrosis (ONTOKBCF)
	Ontology for Biobanking (OBIB)
	Ontology for Biomedical Investigations (OBI)
	Ontology for Drug Discovery Investigations (DDI)
	Ontology for General Medical Science (OGMS)
	Ontology for Genetic Disease Investigations (OGDI)
	Ontology for Genetic Interval (OGI)
	Ontology for Genetic Susceptibility Factor (OGSF)
	Ontology for MicroRNA Target Prediction (OMIT)
	Ontology for Newborn Screening Follow-up and Translational Research (ONSTR)
	Ontology for Parasite LifeCycle (OPL)
	Ontology of Adverse Events (OAE)
	Ontology of Alternative Medicine, French (ONTOMA)
	Ontology of Biological and Clinical Statistics (OBCS)
	Ontology of Clinical Research (OCRE)
	Ontology of Core Data Mining Entities (ONTODM-CORE)
	Ontology of Data Mining Investigations (ONTODM-KDD)
	Ontology of Experimental Variables and Values (OOEVV)
	Ontology of General Purpose Datatypes (ONTODT)
	Ontology of Genes and Genomes (OGG)
	Ontology of Genes and Genomes - Mouse (OGG-MM)
	Ontology of Geographical Region (OGR)
	Ontology of Glucose Metabolism Disorder (OGMD)
	Ontology of Homology and Related Concepts in Biology (HOM)
	Ontology of Language Disorder in Autism (LDA)
	Ontology of Liver for Radiology (ONLIRA)
	Ontology of Medically Related Social Entities (OMRSE)
	Ontology of Physical Exercises (OPE)
	Ontology of Physics for Biology (OPB)
	Ontology of Pneumology (ONTOPNEUMO)
	Ontology of Vaccine Adverse Events (OVAE)
	Open Biological and Biomedical Ontologies Relationship Types (OBOREL)
	Orphanet Rare Disease Ontology (ORDO)
	Ortholog Ontology (ORTHO)
	Parasite Experiment Ontology (PEO)
	Parkinson's Disease Ontology (PDON)
	Pathogen Transmission Ontology (PTRANS)
	Pathogenic Disease Ontology (PDO)
	Pathway Ontology (PW)
	Pediatric Terminology (PEDTERM)
	Pharmacogenomic Relationships Ontology (PHARE)
	Pharmacovigilance Ontology (PVONTO)
	PharmGKB Ontology (PHARMGKB)
	PhenomeBLAST Ontology (PHENOMEBLAST)
	Phenotypic Quality Ontology (PATO)
	PhenX Phenotypic Terms (PHENX)
	Phylogenetic Ontology (PHYLONT)
	Physical Medicine and Rehabilitation (PMR)
	Physician Data Query (PDQ)
	Physico-Chemical Methods and Properties (FIX)
	Physico-Chemical Process (REX)
	Pipeline Patterns Ontology (PP)
	Plant Anatomy (PAE)
	Plant Environmental Conditions (PECO)
	Plant Experimental Assay Ontology (PEAO)
	Plant Ontology (PO)
	Plant Structure Development Stage (PSDS)
	Plant Trait Ontology (PTO)
	Population and Community Ontology (PCO)
	Porifera Ontology (PORO)
	Portfolio Management Application (PMA)
	Protein Modification Ontology (PSIMOD)
	Protein Ontology (PR)
	Protein-ligand interaction ontology (PLIO)
	Protein-Protein Interaction Ontology (PPIO)
	Proteomics Data and Process Provenance Ontology (PROPREO)
	Provenance Ontology (PROVO)
	Pseudogene (pseudo)
	Psychology Ontology (APAONTO)
	Quantitative Imaging Biomarker Ontology (QIBO)
	Quantities, Units, Dimensions, and Types Ontology (QUDT)
	Radiation Oncology Ontology (ROO)
	Radiology Lexicon (RADLEX)
	Randomized Controlled Trials Ontology (RCTONT)
	Rat Strain Ontology (RS)
	Read Codes, Clinical Terms Version 3 (CTV3) (RCD)
	Reference Sequence Annotation (RSA)
	RegenBase ontology (RB)
	Regional Healthcare System Interoperability and Information Exchange Measurement Ontology (HEIO)
	Regulation of Gene Expression Ontolology (REXO)
	Regulation of Transcription Ontology (RETO)
	Reproductive Trait and Phenotype Ontology (REPO)
	Research Network and Patient Registry Inventory Ontology (RNPRIO)
	Resep Project (RP)
	Resource of Asian Primary Immunodeficiency Diseases (RAPID) Phenotype Ontology (RPO)
	RNA Ontology (RNAO)
	RNRMU (RNRMU)
	Robert Hoehndorf Version of MeSH (RH-MESH)
	Role Ontology (ROLEO)
	RxNORM (RXNORM)
	Sage Bionetworks Synapse Ontology (SYN)
	Sample Processing and Separation Techniques Ontology (SEP)
	Santa Barbara Coastal Observation Ontology (OBOE-SBC)
	schema.org (SCHEMA)
	Semantic DICOM Ontology (SEDI)
	Semantic Mining of Activity, Social, and Health data Project (SMASH)
	Semantic Types Ontology (STY)
	Semantic Web for Earth and Environment Technology Ontology (SWEET)
	Semanticscience Integrated Ontology (SIO)
	Sequence Types and Features Ontology (SO)
	Single-Nucleotide Polymorphism (SNP) Ontology (SNPO)
	Situation-Based Access Control Ontology (SITBAC)
	Skin Physiology Ontology (SPO)
	Sleep Domain Ontology (SDO)
	Software Ontology (SWO)
	Solanaceae Phenotype Ontology (SPTO)
	Soy Ontology (SOY)
	Spatial Ontology (BSPO)
	Spider Ontology (SPD)
	Statistics Ontology (STATO)
	Student Health Record Ontology (SHR)
	Subcellular Anatomy Ontology (SAO)
	Suggested Ontology for Pharmacogenomics (SOPHARM)
	suicideonto (suicideo)
	Surgical Secondary Events (SSE)
	Symptom Ontology (SYMP)
	Syndromic Surveillance Ontology (SSO)
	Synthetic Biology Open Language Visual Ontology (SBOL)
	SysMO JERM Ontology of Systems Biology for Micro-Organisms (JERM)
	Systematized Nomenclature of Medicine - Clinical Terms (SNOMEDCT)
	Systematized Nomenclature of Medicine, International Version (SNMI)
	Systems Biology Ontology (SBO)
	Systems Chemical Biology and Chemogenomics Ontology (CHEMBIO)
	Taxonomic Rank Vocabulary (TAXRANK)
	Taxonomy for Rehabilitation of Knee Conditions (TRAK)
	Teleost Anatomy Ontology (TAO)
	Teleost Taxonomy Ontology (TTO)
	Terminological and Ontological Knowledge Resources Ontology (TOK)
	Terminology for the Description of Dynamics (TEDDY)
	test (A-Z)
	test-agc (TSTAGC)
	The Drug Ontology (DRON)
	The Drug-drug Interactions Ontology (DINTO)
	Tick Gross Anatomy Ontology (TADS)
	Time Event Ontology (TEO)
	Tissue Microarray Ontology (TMA)
	Traditional Medicine Constitution Value Set (TM-CONST)
	Traditional Medicine Meridian Value Sets (TM-MER)
	Traditional Medicine Other Factors Value Set (TM-OTHER-FACTORS)
	Traditional Medicine Signs and Symptoms Value Set (TM-SIGNS-AND-SYMPTS)
	Translational Medicine Ontology (TMO)
	Tribolium Ontology (TRON)
	Uber Anatomy Ontology (UBERON)
	Units of Measurement Ontology (UO)
	Units Ontology (UNITSONT)
	UNIVERSITY (UNIV)
	Upper-Level Cancer Ontology (CANONT)
	Vaccine Ontology (VO)
	Variation Ontology (VARIO)
	Vertebrate Homologous Organ Group Ontology (VHOG)
	Vertebrate Skeletal Anatomy Ontology (VSAO)
	Vertebrate Taxonomy Ontology (VTO)
	Vertebrate Trait Ontology (VT)
	Veterans Health Administration National Drug File (VANDF)
	Vital Sign Ontology (VSO)
	VIVO Ontology for Researcher Discovery (VIVO)
	Web-Service Interaction Ontology (WSIO)
	Wheat Trait Ontology (CO-WHEAT)
	WikiPathways (WIKIPATHWAYS)
	World Health Organization (WHO) Adverse Reaction Terminology (WHO-ART)
	WP7 Diabetes Ontology (DIAB)
	XEML Environment Ontology (XEO)
	Xenopus Anatomy and Development Ontology (XAO)
	Zebrafish Anatomy and Development Ontology (ZFA)