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Nociceptive pain may also be classed according to the site of origin and divided into "visceral", "deep somatic" and "superficial somatic" pain. Visceral structures (e.g., the heart, liver and intestines) are highly sensitive to stretch, ischemia and inflammation , but relatively insensitive to other stimuli that normally evoke pain in other ...
The somatosensory system, or somatic sensory system is a subset of the sensory nervous system. It has two subdivisions, one for the detection of mechanosensory information related to touch, and the other for the nociception detection of pain and temperature. [ 1 ]
Bone pain belongs to the class of deep somatic pain, often experienced as a dull pain that cannot be localized accurately by the patient. This is in contrast with the pain which is mediated by superficial receptors in, e.g., the skin. Bone pain can have several possible causes ranging from extensive physical stress to serious diseases such as ...
Visceral pain is diffuse, difficult to localize and often referred to a distant, usually superficial, structure. [1] It may be accompanied by symptoms such as nausea, vomiting, changes in vital signs as well as emotional manifestations. The pain may be described as sickening, deep, squeezing, and dull. [2]
Nociceptive pain consists of an adaptive alarm system. [6] Nociceptors have a certain threshold; that is, they require a minimum intensity of stimulation before they trigger a signal. Once this threshold is reached, a signal is passed along the axon of the neuron into the spinal cord.
In somatic disorder, there is a negative connection between elevated pain scores and 5-hydroxy indol acetic acid (5-HIAA) and tryptophan levels. [ 26 ] It has been suggested that proinflammatory processes may have a role in somatic symptom disorder, such as an increase of non-specific somatic symptoms and sensitivity to painful stimuli . [ 28 ]
"Superficial pain" is the result of the activation of pain receptors in the skin or superficial tissues; "deep somatic pain" is caused by stimulation of pain receptors in ligaments, tendons, bones, blood vessels, fascia, and muscles.
Functional somatic syndrome (FSS) is any of a group of chronic diagnoses with no identifiable organic cause.This term was coined by Hemanth Samkumar. [citation needed] It encompasses disorders such as fibromyalgia, chronic widespread pain, temporomandibular disorder, irritable bowel syndrome, [1] lower back pain, tension headache, atypical face pain, non-cardiac chest pain, insomnia ...