CLhttp://metadb.riken.jp/metadb/ontology/CL Cell Ontology (Original site: http://cellontology.org) CLOhttp://metadb.riken.jp/metadb/ontology/CLO Cell Line Ontology (CLO) (Original site: http://www.clo-ontology.org) CMOhttp://metadb.riken.jp/metadb/ontology/CMO Clinical Measurement Ontology (Original site: http://sourceforge.net/projects/phenoonto/) CSSOhttp://metadb.riken.jp/metadb/ontology/CSSO C