Visibility: Public
A KGX transformation of the BioPortal ontology Human Reference Atlas (HRA), produced by KG‑Bioportal. Nodes are ontology classes; edges are the relations between them.
Graph at a glance
190,296
Nodes
422,256
Edges
v2.3
Version
2026-08-25
Transformed
Products & downloads
Contains HRA_nodes.tsv and HRA_edges.tsv. Releases are incremental, so this points at whichever release most recently rebuilt this ontology.
Per-node-type (Biolink category) counts aren't recorded in the index for this ontology — each node carries a category column in the KGX download. Total nodes: 190,296.
Per-edge-type (Biolink category) counts aren't recorded in the index for this ontology — each edge carries category, predicate and relation columns in the KGX download. Total edges: 422,256.