receptor
//rɪˈsɛptər//
Noun
receptorSingular
receptorsPlural
1
A protein molecule on the surface of or within a cell that binds to specific substances, such as hormones or neurotransmitters, triggering a cellular response.
The drug works by binding to receptors in the brain.
2
A sensory nerve ending or organ that responds to stimuli such as light, heat, or pressure.
The skin contains receptors that detect changes in temperature and pressure.