abnormal plasma membrane potential increased plasma membrane potential 2017-09-19T14:55:14Z A physical cellular phenotype observed in the vegetative growth phase of the life cycle in which the plasma membrane potential, i.e. the electric potential existing across the plasma membrane, is greater than normal. midori increased plasma membrane polarization increased plasma membrane potential during mitotic cell cycle hyperpolarized plasma membrane plasma membrane hyperpolarization FYPO:0006228 increased plasma membrane potential during vegetative growth