OBSOLETE. A homeostatic process that maintains an endogenous steady-state concentration of primary auxin, or constant level of auxin in a biological system, by a number of biochemical processes including transport, biosynthesis, catabolism and conjugation.
Source:PMID:22504182
Comment
This term was obsoleted in favor of 'intracellular' and 'multicellular organism-level' auxin homeostasis terms.