exteroceptor
/ˌɛkstəroʊˈsɛptər/
noun
- A sensory receptor that responds to stimuli from outside the body, such as light, sound, or touch.
- Skin exteroceptors allow you to feel a gentle breeze or a sharp pinch.
- The eyes contain exteroceptors that detect light and color.
- Exteroceptors in the ears convert sound waves into nerve signals.
Antonyms