Subthreshold
In terms of graded potentials: A subtheshold level fails to trigger an action potential due to not stimulating the minimal threshold voltage (-55 mV)[1] at the axon hillock.
- ↑ William O. Reece, Howard H. Erickson, Jesse P. Goff, Etsuro E. Uemura , Dukes' Physiology of Domestic Animals,United States of America , Wiley-Blackwell , 2015