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Cell Ontology
Last uploaded:
March 26, 2026
| Acronym | CL |
| Visibility | Public |
| Description | The Cell Ontology is a structured controlled vocabulary for cell types in animals. The Cell Ontology is designed as a structured controlled vocabulary for cell types. This ontology was constructed for use by the model organism and other bioinformatics databases, where there is a need for a controlled vocabulary of cell types. This ontology is not organism specific. It covers cell types from prokaryotes to mammals. However, it excludes plant cell types, which are covered by PO. , An ontology of cell types. |
| Status | Production |
| Format | OWL |
| Categories | |
| Groups |
| Bibliographic reference |
https://www.ncbi.nlm.nih.gov/pubmed/27377652
https://www.ncbi.nlm.nih.gov/pubmed/27377652
|
| Contact | Alexander Diehl ([email protected]) |
| Creation date | March 26, 2026
|
| Deprecated |
false
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| Homepage |
https://obophenotype.github.io/cell-ontology/
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|
| License | 
|
| Notes |
See PMID:15693950, PMID:12799354, PMID:20123131, PMID:21208450; Contact Alexander Diehl, addiehl[at]buffalo.edu, university at buffalo.
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| Object creation date property |
http://purl.org/dc/elements/1.1/created
http://purl.org/dc/elements/1.1/created
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| Object modification date property |
http://purl.org/dc/elements/1.1/modified
http://purl.org/dc/elements/1.1/modified
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| Submission date | March 26, 2026
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| Version IRI |
http://purl.obolibrary.org/obo/cl/releases/2026-03-26/cl.owl
http://purl.obolibrary.org/obo/cl/releases/2026-03-26/cl.owl
|
| Version information |
2026-03-26
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|
| uri |
http://purl.obolibrary.org/obo/cl.owl
http://purl.obolibrary.org/obo/cl.owl
|
| Version | Released | Uploaded | Downloads |
|---|---|---|---|
| 2026-03-26 (Parsed, Indexed, Metrics, Annotator) | 03/26/2026 | 03/26/2026 | OWL | CSV | RDF/XML | Diff |
| 2026-03-17 (Archived) | 03/17/2026 | 03/17/2026 | OWL | Diff |
| 2025-12-17 (Archived) | 12/17/2025 | 12/17/2025 | OWL | Diff |
| 2025-11-25 (Archived) | 11/27/2025 | 11/27/2025 | OWL | Diff |
| 2025-11-03 (Archived) | 11/04/2025 | 11/04/2025 | OWL | Diff |
| 2025-10-16 (Archived) | 10/16/2025 | 10/16/2025 | OWL | Diff |
| 2025-07-30 (Archived) | 09/09/2025 | 09/09/2025 | OWL | Diff |
| 2025-06-20 (Archived) | 06/20/2025 | 06/20/2025 | OWL | Diff |
| 2025-04-10 (Archived) | 04/10/2025 | 04/10/2025 | OWL | Diff |
| 2025-02-13 (Archived) | 02/13/2025 | 02/13/2025 | OWL | Diff |
| 2025-01-07 (Archived) | 01/08/2025 | 01/08/2025 | OWL | Diff |
| 2024-09-26 (Archived) | 09/26/2024 | 09/26/2024 | OWL | Diff |
| 2024-08-16 (Archived) | 08/16/2024 | 08/16/2024 | OWL | Diff |
| 2024-07-10 (Archived) | 07/10/2024 | 07/10/2024 | OWL | Diff |
| 2024-05-15 (Archived) | 05/15/2024 | 05/15/2024 | OWL | Diff |
| 2024-04-05 (Archived) | 04/08/2024 | 04/08/2024 | OWL | Diff |
| 2024-02-13 (Archived) | 02/13/2024 | 02/13/2024 | OWL | Diff |
| 2024-01-04 (Archived) | 01/04/2024 | 01/04/2024 | OWL | Diff |
| 2023-12-05 (Archived) | 12/05/2023 | 12/05/2023 | OWL | Diff |
| 2023-10-19 (Archived) | 10/19/2023 | 10/19/2023 | OWL | Diff |
| 2023-09-21 (Archived) | 09/21/2023 | 09/21/2023 | OWL | Diff |
| 2023-07-20 (Archived) | 07/20/2023 | 07/20/2023 | OWL | Diff |
| 2023-06-22 (Archived) | 06/22/2023 | 06/22/2023 | OWL | Diff |
| 2023-05-22 (Archived) | 05/22/2023 | 05/22/2023 | OWL | Diff |
| 2023-03-21 (Archived) | 04/20/2023 | 04/20/2023 | OWL | Diff |
| 2023-03-21 (Archived) | 03/21/2023 | 03/21/2023 | OWL | Diff |
| 2023-02-19 (Archived) | 02/19/2023 | 02/19/2023 | OWL | Diff |
| 2023-02-15 (Archived) | 02/15/2023 | 02/15/2023 | OWL | Diff |
| 2023-01-09 (Archived) | 01/09/2023 | 01/09/2023 | OWL | Diff |
| 2022-12-15 (Archived) | 12/15/2022 | 12/15/2022 | OWL | Diff |
| 2022-11-25 (Archived) | 11/25/2022 | 11/25/2022 | OWL | Diff |
| 2022-10-28 (Archived) | 10/28/2022 | 10/28/2022 | OWL | Diff |
| 2022-08-16 (Archived) | 08/17/2022 | 08/17/2022 | OWL | Diff |
| 2022-06-18 (Archived) | 06/18/2022 | 06/18/2022 | OWL | Diff |
| 2022-06-15 (Archived) | 06/15/2022 | 06/15/2022 | OWL | Diff |
| 2022-02-16 (Archived) | 02/17/2022 | 02/17/2022 | OWL | Diff |
| 2022-01-05 (Archived) | 01/05/2022 | 01/05/2022 | OWL | Diff |
| 2021-12-07 (Archived) | 12/18/2021 | 12/18/2021 | OWL | Diff |
| 2021-12-07 (Archived) | 12/07/2021 | 12/07/2021 | OWL | Diff |
| 2021-11-25 (Archived) | 11/26/2021 | 11/26/2021 | OWL | Diff |
| 2021-11-23 (Archived) | 11/23/2021 | 11/23/2021 | OWL | Diff |
| 2021-09-09 (Archived) | 09/09/2021 | 09/09/2021 | OWL | Diff |
| 2021-08-10 (Archived) | 08/10/2021 | 08/10/2021 | OWL | Diff |
| 2021-06-29 (Archived) | 06/29/2021 | 06/29/2021 | OWL | Diff |
| 2021-06-21 (Archived) | 06/22/2021 | 06/22/2021 | OWL | Diff |
| 2021-04-22 (Archived) | 04/23/2021 | 04/23/2021 | OWL | Diff |
| 2021-03-05 (Archived) | 03/05/2021 | 03/05/2021 | OWL | Diff |
| 2021-02-01 (Archived) | 02/01/2021 | 02/01/2021 | OWL | Diff |
| 2021-01-22 (Archived) | 01/23/2021 | 01/23/2021 | OWL | Diff |
| 2020-11-11 (Archived) | 11/18/2020 | 11/18/2020 | OWL | Diff |
| 2020-10-20 (Archived) | 10/20/2020 | 10/20/2020 | OWL | Diff |
| 2020-10-19 (Archived) | 10/19/2020 | 10/19/2020 | OWL | Diff |
| 2020-10-02 (Archived) | 10/02/2020 | 10/02/2020 | OWL | Diff |
| unknown (Archived) | 05/21/2020 | 05/21/2020 | OWL | Diff |
| unknown (Archived) | 05/20/2020 | 05/20/2020 | OWL | Diff |
| unknown (Archived) | 03/02/2020 | 03/02/2020 | OWL | Diff |
| unknown (Archived) | 01/06/2020 | 01/06/2020 | OWL | Diff |
| unknown (Archived) | 08/12/2019 | 08/12/2019 | OWL | Diff |
| unknown (Archived) | 07/18/2019 | 07/18/2019 | OWL | Diff |
| unknown (Archived) | 05/04/2019 | 05/04/2019 | OWL | Diff |
| unknown (Archived) | 04/23/2019 | 04/23/2019 | OWL | Diff |
| unknown (Archived) | 07/11/2018 | 07/11/2018 | OWL | Diff |
| releases/2015-08-08 (Archived) | 12/12/2017 | 12/12/2017 | OWL | Diff |
| releases/2015-08-08 (Archived) | 07/29/2017 | 07/29/2017 | OWL | Diff |
| releases/2015-08-08 (Archived) | 04/14/2017 | 04/14/2017 | OWL | Diff |
| releases/2015-08-08 (Archived) | 11/23/2016 | 11/23/2016 | OWL | Diff |
| releases/2015-08-08 (Archived) | 09/02/2016 | 09/02/2016 | OWL | Diff |
| releases/2015-08-08 (Archived) | 02/02/2016 | 02/02/2016 | OWL | Diff |
| releases/2015-08-08 (Archived) | 10/30/2015 | 10/30/2015 | OWL | Diff |
| releases/2015-08-08 (Archived) | 08/20/2015 | 08/20/2015 | OWL | Diff |
| releases/2015-08-08 (Archived) | 08/19/2015 | 08/08/2015 | OWL | Diff |
| releases/2015-06-17 (Archived) | 06/24/2015 | 06/24/2015 | OBO | Diff |
| releases/2015-05-12 (Archived) | 05/13/2015 | 05/13/2015 | OBO | Diff |
| releases/2015-04-17 (Archived) | 04/17/2015 | 04/17/2015 | OBO | Diff |
| releases/2015-01-29 (Archived) | 01/30/2015 | 01/30/2015 | OBO | Diff |
| releases/2015-01-23 (Archived) | 01/24/2015 | 01/24/2015 | OBO | Diff |
| releases/2014-12-22 (Archived) | 12/23/2014 | 12/23/2014 | OBO | Diff |
| releases/2014-07-08 (Archived) | 07/08/2014 | 07/08/2014 | OBO | Diff |
| releases/2014-06-25 (Archived) | 06/27/2014 | 06/27/2014 | OBO | Diff |
| releases/2014-03-30 (Archived) | 04/21/2014 | 04/21/2014 | OBO | Diff |
| releases/2014-03-18 (Archived) | 03/18/2014 | 03/18/2014 | OBO | Diff |
| releases/2014-03-11 (Archived) | 03/11/2014 | 03/11/2014 | OBO | Diff |
| releases/2014-03-05 (Archived) | 03/05/2014 | 03/05/2014 | OBO | Diff |
| releases/2013-12-04 (Archived) | 12/09/2013 | 12/09/2013 | OBO | Diff |
| releases/2013-11-13 (Archived) | 11/14/2013 | 11/14/2013 | OBO | Diff |
| releases/2013-09-06 (Archived) | 10/15/2013 | 10/15/2013 | OBO | Diff |
| releases/2013-09-06 (Archived) | 09/10/2013 | 09/10/2013 | OBO |
| releases/2013-08-28 (Archived) | 08/29/2013 | 08/29/2013 | OBO |
| releases/2013-08-10 (Archived) | 08/11/2013 | 08/11/2013 | OBO |
| releases/2013-06-23 (Archived) | 07/04/2013 | 07/04/2013 | OBO |
| releases/2013-06-03 (Archived) | 06/03/2013 | 06/03/2013 | OBO |
| 2013-04-20/cl-merged.owl (Archived) | 04/25/2013 | 04/25/2013 | OBO |
| releases/2013-03-29 (Archived) | 04/06/2013 | 04/06/2013 | OBO |
| releases/2013-03-29 (Archived) | 03/29/2013 | 03/29/2013 | OBO |
| releases/2013-03-02 (Archived) | 03/02/2013 | 03/02/2013 | OBO |
| releases/2013-02-20 (Archived) | 02/21/2013 | 02/21/2013 | OBO |
| releases/2013-02-17 (Archived) | 02/18/2013 | 02/18/2013 | OBO |
| 2013-02-14 (Archived) | 02/14/2013 | 02/14/2013 | OBO |
| 2013-02-07 (Archived) | 02/07/2013 | 02/07/2013 | OBO |
| 2013-01-31 (Archived) | 02/01/2013 | 02/01/2013 | OBO |
| 2013-01-31 (Archived) | 01/31/2013 | 01/31/2013 | OBO |
| 2011-11-09 (Archived) | 12/12/2011 | 12/12/2011 | OBO |
| 2011-11-09 (Archived) | 12/08/2011 | 12/08/2011 | OBO |
| 2011-11-09 (Archived) | 11/10/2011 | 11/10/2011 | OBO |
| 2011-06-03 (Archived) | 08/24/2011 | 08/24/2011 | OBO |
| 2011-06-03 (Archived) | 07/28/2011 | 07/28/2011 | OBO |
| 2011-06-03 (Archived) | 07/22/2011 | 07/22/2011 | OBO |
| unknown (Archived) | 06/09/2011 | 06/09/2011 | OBO |
| unknown (Archived) | 02/15/2011 | 02/15/2011 | OBO |
| 1.48 (Archived) | 12/17/2010 | 12/17/2010 | OBO |
| unknown (Archived) | 12/16/2010 | 12/16/2010 | OBO |
| 1.48 (Archived) | 11/18/2010 | 11/04/2010 | OBO |
| 1.47 (Archived) | 11/03/2010 | 11/03/2010 | OBO |
| 1.46 (Archived) | 11/02/2010 | 11/02/2010 | OBO |
| 1.44 (Archived) | 08/18/2010 | 08/18/2010 | OBO |
| 1.43 (Archived) | 05/07/2010 | 05/07/2010 | OBO |
| 1.42 (Archived) | 02/16/2010 | 01/12/2010 | OBO |
| 1.41 (Archived) | 12/03/2009 | 12/03/2009 | OBO |
| 1.40 (Archived) | 11/09/2009 | 11/09/2009 | OBO |
| 1.39 (Archived) | 09/04/2009 | 09/04/2009 | OBO |
| 1.38 (Archived) | 06/23/2009 | 06/23/2009 | OBO |
| 1.37 (Archived) | 12/02/2008 | 12/02/2008 | OBO |
| 1.36 (Archived) | 10/10/2008 | 10/10/2008 | OBO |
| 1.32 (Archived) | 08/13/2008 | 08/13/2008 | OBO |
| 1.31 (Archived) | 07/30/2008 | 07/30/2008 | OBO |
| 1.30 (Archived) | 05/29/2008 | 05/29/2008 | OBO |
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- Cell Ontology Simple
- Cell Ontology treated as a simple existential graph of the terms defined in an ontology, An ontology of cell types.
| Classes | 19,151 |
| Individuals | 214 |
| Properties | 268 |
| Maximum depth | 32 |
| Maximum number of children | 3,062 |
| Average number of children | 4 |
| Classes with a single child | 2,334 |
| Classes with more than 25 children | 130 |
| Classes with no definition | 2,192 |