Prototype KG‑aware adaptation of the BioPortal interface. Graph pages generated from live KG‑Registry metadata; tool links go to the live BioPortal.
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SPO

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Skin Physiology Ontology

KGXBioPortal ontologyv2
Visibility: Public

A KGX transformation of the BioPortal ontology Skin Physiology Ontology (SPO), produced by KG‑Bioportal. Nodes are ontology classes; edges are the relations between them.

Graph at a glance

397
Nodes
674
Edges
2
Version
2026-09-14
Transformed

Products & downloads

KGX
KGX nodes & edges
SPO.tar.gz
397 nodes · 674 edges
Base graph is the full graph

This ontology declares no imports, so its base graph already is its full graph; nothing separate was built.

The graph contains SPO_nodes.tsv and SPO_edges.tsv. Releases are incremental, so each link points at whichever release most recently rebuilt this ontology.

Biolink categories 3 categories across 397 nodes

PhysicalEntity179
NamedThing139
Activity79

An item carrying more than one category is counted under each, so these counts can add up to more than the total.

How they were assigned 258 of 397 nodes (65.0%)

2is a seed term whose Biolink class is not in doubt
256inherits from a seed term above it in the hierarchy

Biolink categories 1 category across 674 edges

Association674

An item carrying more than one category is counted under each, so these counts can add up to more than the total.