Interoceptor
Interoceptor
Interoceptor (/ɪnˌtɛrəʊˈsɛptər/), derived from the Latin words 'intero' meaning 'within' and 'ceptor' meaning 'receiver', is a type of sensory receptor that detects changes in the internal environment of the body.
Function
Interoceptors are found in organs throughout the body, including the heart, lungs, stomach, and intestines. They respond to stimuli such as pressure, temperature, pain, and chemical changes, and send signals to the brain via the autonomic nervous system. This information is used to regulate vital functions such as heart rate, breathing, digestion, and body temperature.
Types of Interoceptors
There are several types of interoceptors, including:
- Baroreceptors: These interoceptors detect changes in blood pressure.
- Chemoreceptors: These interoceptors respond to chemical changes in the body, such as changes in blood pH or carbon dioxide levels.
- Nociceptors: These interoceptors respond to pain or harmful stimuli.
- Thermoreceptors: These interoceptors detect changes in body temperature.
- Mechanoreceptors: These interoceptors respond to physical changes such as pressure or stretch.
Related Terms
- Exteroceptors: These are sensory receptors that receive stimuli from the external environment.
- Proprioceptors: These are sensory receptors located in muscles and joints that provide information about body position and movement.
See Also
External links
- Medical encyclopedia article on Interoceptor
- Wikipedia's article - Interoceptor
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