Dictionary Entry
action potential
nounFind the meaning of the word action potential, plus dictionary definition, pronunciation, thesaurus-style synonyms, antonyms, and related vocabulary.
1
Meaning
Dictionary meaning in a clear, student-friendly format.
an electrical impulse in neurons — recycled here as the connection between gut-derived serotonin and neural signalling [R — recycled from Day 9]
Example Sentence
An action potential races down the neuron, telling your finger to pull away from the hot pan.
Usage Note
Use the term when explaining how neurons communicate or why reflexes happen so quickly.
Antonyms