ODM2 Variable Name Controlled Vocabulary ODM2 Working Group A vocabulary for describing the name of Variables. Cytosolic protein The total protein concentration within the cytosolic fraction of cells. The cytosol refers to the intracellular fluid or cytoplasmic matrix of a eukaryotic cell. Originally from the CUAHSI HIS VariableNameCV. See: http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=VariableNameCV.