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nociceptor

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nociceptor /no·ci·cep·tor/ (-sep´ter) a receptor for pain caused by injury, physical or chemical, to body tissues.nocicep´tive
no·ci·cep·tor (ns-sptr)
n.
A sensory receptor that responds to pain.

Nociceptor
A nerve cell that is capable of sensing pain and transmitting a pain signal.

nociceptor
[nō′sēsep′tər]
a somatic and visceral free nerve ending of thinly myelinated and unmyelinated fibers. It usually reacts to tissue injury but also may be excited by endogenous chemical substances.

nociceptor [no″se-sep´tor]
a receptor for pain, stimulated by various kinds of tissue injury. adj., adj nocicep´tive.

nociceptor (nō´sisep´tr),
n somatic and visceral free nerve endings of thinly myelinated and unmyelinated fibers. They usually react to tissue injury but also may be excited by endogenous chemical substances.

nociceptor
a receptor that is stimulated by injury; a receptor for pain.

nociceptor
Pain receptor Neurology Any of a class of periarticular and mucocutaneous sense organs and neural receptors–eg, reflex loops for reception and response to pain; located primarily in the skin or viscera, nociceptors respond to chemical, mechanical, or other stimuli


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When nociceptors are stimulated, signals are transmitted through sensory neurons in the spinal cord and are ultimately relayed to the thalamus in the brain and perception of pain takes place.
When they killed off a certain population of nociceptor neurons, the mice stopped responding to being poked, but still responded to heat.
The interactions between leukocyte-derived opioid peptides and peripheral nociceptor endings carrying opioid receptors (24,25) may explain the connection of the pathophysiologic common basis of all the examined variables in our study with the pain mechanisms.
 
 
 
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