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Cell Ontology

An ontology of cell types

This is the repository that contains the source for the cell ontology. Most users do not need to use this repo directly.

For more details on CL see:

Documentation for the Cell Ontology is also available at

Editors: see the README in src/ontology

Training materials from the 2020 CL Training Workshop are available at

Twice monthly calls

Third Wednesday of month, 8am PT/11 am ET (CL)
Fourth Monday of month, 10am PT/1pm ET (CL & Uberon)
Agenda here.