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.