An action potential is a very rapid change in membrane potential that occurs when a nerve cell membrane is stimulated. Specifically, the membrane potential goes from the resting potential (typically -70 mV) to some positive value (typically about +30 mV) in a very short period of time (just a few milliseconds).n action potential is a very rapid change in membrane potential that occurs when a nerve cell membrane is stimulated. Specifically, the membrane potential goes from the resting potential (typically -70 mV) to some positive value (typically about +30 mV) in a very short period of time (just a few milliseconds).
Definition of astute - having or showing an ability to accurately assess situations or people and turn this to one's advantage Definition of astute - having or showing an ability to accurately assess situations or people and turn this to one's advantage
astute in British English. See all translations. astuteadjective. uk â /ÉËstÊuËt/ us â /ÉËstuËt/. âº able to understand a situation quickly and see how to take advantage of it: an astute investor/businesswoman. his astute handling of the situation. an astute observer of human behaviour. Thesaurus: synonyms and related words. Intelligence. acuity. acumen.