C43643Level 4
NCI Thesaurus Role
**Semantic type:** Conceptual Entity
**Definition:** A specific non-hierarchical, named relationship between concepts present in the NCI Thesaurus.
**Synonyms:** - Role
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/api/v1/systems/nci_thesaurus/nodes/C43643Hierarchy Explorer
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Cross-system equivalences0
No cross-system equivalences mapped for this node.