The Xenopus Anatomy Ontology represents and standardizes the anatomy and development of the African frogs Xenopus laevis and tropicalis. It supports the annotation of gene expression data in Xenbase and is designed to facilitate cross-taxa comparisons.
Browse and search XAO at the Ontology Lookup Service.
The latest stable release version of the ontology can always be found at: http://purl.obolibrary.org/obo/xao.owl
Please use this GitHub repository's issue tracker to request new terms/classes or report errors or specific concerns related to the ontology.
Segerdell, E., Ponferrada, V.G., James-Zorn, C. et al. Enhanced XAO: the ontology of Xenopus anatomy and development underpins more accurate annotation of gene expression and queries on Xenbase. J Biomed Semant 4, 31 (2013). https://doi.org/10.1186/2041-1480-4-31