Ontology Lookup Service
The Ontology Lookup Service (OLS) is a repository for biomedical ontologies that aims to provide a single point of access to the latest ontology versions.

Get all children of “cellular process” from the Gene Ontology

Get all terms and labels from the Gene Ontology

Get all terms and labels from the Gene Ontology

Show all children for the term 'cell' from the cell ontology (cl)

Find all terms that mention 'alzheimer' in the label
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Searching for cross references to Alzheimer's disease from the disease ontology
biology Alzheimer's disease ontology

Get cross references to DOID_10652 (Alzheimer's disease) from the disease ontology