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Concept Relationship
Any of the relationships between concepts. The vertical, hierarchical relationships may be referred to as Parent, Child, Broader, Narrower, isa, inverse-isa, Super Concept, Subconcept, etc. The horizontal named relationships include Roles and Associations. (NCI Thesaurus)
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The tracking of concept evolution over the lifetime of a vocabulary, includes concept creation, modification, merges, splits, and retirements.
An assigned code from a defined code system used to represent any type of concept.
The derivation rule between one or more concepts.
Any of the properties, roles, or associations, that define a concept.
A unit of knowledge created by a unique combination of characteristics.
A morphologic finding indicating the presence of fibrosis around an intrahepatic bile duct in the liver tissue.
