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Most Viewed Ontologies (April, 2012)
Ontology Views
National Drug File 7506
SNOMED Clinical Terms 2975
MedDRA 2420
International Classification of Diseases 2023
NCI Thesaurus 904
Statistics
Ontologies 304
Terms 6,390,227
Resources Indexed 23
Indexed Records 4,515,417
Direct Annotations 2,021,725,120
Direct Plus Expanded Annotations 15,116,696,652
Latest Notes
Hierarchy issues? (Adverse Event Reporting ontology) 3 days ago by whetzel

Is the term adverse event intended to be a root level term?  
'Physical entity' again (Ontology of Physics for Biology) 4 days ago by BS

The hierarchy has 'physical process entity' be disjoint from 'physical entity'. This means that a... 
physical entity (Ontology of Physics for Biology) 4 days ago by BS

It doesn't make sense to have 'physical entity' be an is-a child of 'physical anatomical entity'.... 
HOM Filter (HOM-PCSTEST) 7 days ago by rwynden

HOM_PHI_ProxyID 
HOM_Filter (HOM-PCSTEST) 7 days ago by rwynden

HOM_PHI_ProxyID 
Latest Mappings
Rhodospirillales (SNOMED Clinical Terms) => Rhodospirillales (CRISP Thesaurus, 2006)
umls_cui 05/11/12 UMLS Mapping Information
Phosgene [Chemical/Ingredient] (National Drug File) => Phosgene (Logical Observation Identifier Names and Codes)
umls_cui 05/11/12 UMLS Mapping Information
TAKAYASU ARTERITIS (Online Mendelian Inheritance in Man) => Aortic arch syndrome [Takayasu] (ICD10)
umls_cui 05/11/12 UMLS Mapping Information
Spinal cord compression NOS (MedDRA) => Spinal cord compression (Read Codes, Clinical Terms Version 3 (CTV3) )
umls_cui 05/11/12 UMLS Mapping Information
Respiratory distress syndrome of newborn (Read Codes, Clinical Terms Version 3 (CTV3) ) => Hyaline membrane disease (MedDRA)
umls_cui 05/11/12 UMLS Mapping Information