Definition, Meaning & Synonyms
excitability
noun
/ɪkˌsaɪtəˈbɪl.ɪ.ti/
Definition
The ability of a cell, particularly a nerve or muscle cell, to respond to stimulation.
Examples
- The excitability of neurons is crucial for the transmission of signals in the nervous system.
- High excitability in muscle tissues can lead to rapid contractions and increased physical performance.
Meaning
Excitability refers to how responsive a biological cell is to stimuli, which can prompt it to react in a certain way. It is a key characteristic of nerve cells and muscle fibers, affecting how they communicate and function.
Synonyms
- reactivity
- responsiveness
- irritability