Transcriptomics
The study of the mRNA within a cell or organism
Transcriptome
The total mRNA in a cell or organism
Proteomics
The large-scale study of proteins, including their structure and
function, within a cell/system/organism. A name coined as an
analogy with the genome
Proteome
The set of all expressed proteins in a cell, tissue or organism
Metabolomics
The study of global metabolite profiles in a system (cell, tissue
or organism) under a given set of conditions