Chemical receptor | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-05-03

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Chemoreceptor


00:00:53 1 Plant chemoreceptors
00:02:05 2 Classes
00:03:54 3 Sensory organs
00:08:15 4 Physiology
00:08:45 4.1 Control of breathing
00:10:11 4.2 Heart rate
00:11:26 5 See also



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SUMMARY
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A chemoreceptor, also known as chemosensor, is a specialized sensory receptor cell which transduces (converts) a chemical substance (endogenous or induced) and generates a biological signal. This signal may be in the form of an action potential  if the chemoreceptor is a neuron (nerve cell), or in the form of a neurotransmitter that can activate a nearby nerve fiber if the chemosensor is a specialized sensory receptor cell, such as the taste receptor in a taste bud or in an internal peripheral chemoreceptor such as the carotid body (ex, in chemotherapy). In more general terms, a chemosensor detects toxic or hazardous chemicals in the internal or external environment of the human body (e.x. chemotherapy) and transmits that information to the central nervous system, (and rarely the peripheral nervous system), in order to expel the biologically active toxins from the blood, and prevent further consumption of alcohol and/or other acutely toxic recreational intoxicants.