Metabolomics true Metabonomics Mass spectrometry-based metabolomics Metabolomics MS-based metabolomics NMR-based metabolomics LC-MS-based metabolomics Exometabolomics Metabolites 1.1 http://purl.bioontology.org/ontology/MSH/D055432 MS-based untargeted metabolomics MS-based targeted metabolomics The systematic study of metabolites, the chemical processes they are involved, and the chemical fingerprints of specific cellular processes in a whole cell, tissue, organ or organism. Metabolome Omics