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Reffered Pain (Exampeles (Cardiac Pain (inner part of left arm, root of…
Reffered Pain
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Mechanism
Facilitaion
Afferent of diseased viscera give facilitatory (subliminal fringe ) to a nearby SGR :arrow_right: increasing thier excitability
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Convergance
Afferent pain fibers from skin and viscus convargance of the same SGR :arrow_right: activate same cortical Neurons
Cortex project it to a skin area because skin 1.rich in pain receptor 2.more exposed to stimulation 3.well represented in cortex
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