Definition, Meaning & Synonyms

nocireceptor

Noun

/ˌnoʊsɪˈrɛp.tɚ/

Definition

A type of sensory neuron that responds to potentially damaging stimuli by sending signals to the brain that can be perceived as pain.

Examples

The nocireceptors in the skin can trigger a withdrawal reflex when you touch something hot.
Injured tissues release chemicals that can sensitize nocireceptors, making pain perception more intense.

Meaning

Nocireceptors are responsible for detecting harmful stimuli such as extreme temperatures, pressure, or chemicals, alerting the body to potential injury.