Pain stimulus
Pain Stimulus
Pain stimulus (pronunciation: /peɪn ˈstɪmjʊləs/) is a specific type of sensory stimulus that is associated with actual or potential tissue damage and is perceived as painful.
Etymology
The term "pain stimulus" is derived from the Latin word "poena" meaning "punishment" and the Latin word "stimulus" meaning "goad or spur".
Definition
A pain stimulus is a specific type of sensory input that is interpreted by the nervous system as being potentially harmful or damaging to the body. This can include a wide range of physical sensations, such as heat, cold, pressure, and chemical irritants. The perception of a pain stimulus is a complex process that involves the peripheral nervous system, the central nervous system, and the brain.
Related Terms
- Nociception: The sensory nervous system's response to certain harmful or potentially harmful stimuli.
- Nociceptors: Specialized sensory receptors that are activated by a pain stimulus.
- Pain perception: The process by which the brain interprets a pain stimulus.
- Pain threshold: The minimum intensity of a stimulus that is perceived as painful.
- Pain tolerance: The maximum level of pain that a person is able to tolerate.
See Also
External links
- Medical encyclopedia article on Pain stimulus
- Wikipedia's article - Pain stimulus
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