Human Reference Atlas Common Coordinate Framework Ontology Human Developmental Anatomy Ontology, abstract version 2 Source
http://purl.obolibrary.org/obo/CL_0000000 http://purl.obolibrary.org/obo/CL_0000000 SAME_URI
http://purl.org/ccf/AnatomicalStructure http://purl.obolibrary.org/obo/CARO_0000003 LOOM