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Samantha Blackmore

on 10 June 2011

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Transcript of endorphins

Endorphins Sensory
Receptor Spinal Chord Brain Sensory receptors send an impulse to sensory neurons, and the sensory neurons send the impulse to the spinal chord The impulse is received in the spinal chord and specialized cells in the SG (sustantia gelatinosa, a band of gelatinous grey matter) are stimulated to produce neurotransmitters to send impulse to the brain. Grey Matter White Matter The Spinal
Chord SG cells (dorsal) Message from neurotransmitters is
interpreted. Neuropeptides (ex. Beta-Endorphins) are produced in the pituitary gland and hypothalimus during exercise. They are released into the brain and the spinal chord through the hypothalimus neurons. Beta-Endorphins attach to the receptor sites of the SG cell and prevent them from producing neurotransmitters or more pain signals During a release of endorphins the person may be exposed to this "second wind" concept meaning that runners can keep running despite pain, continuously surpassing what they once considered to be their limit. Opiates such as heroin, codeine, and morphine work in a similar way as endorphins as well they have a similar structure to endorphins. This allows opiates to occupy SG neuron receptor sites designed for endorphins. (Di Giuseppe 436-437) Much like the phenomenon of opium-like chemicals being created inside the brains of addicts, there can be a malfunction of serotonin. Using the science of addiction to explain; the body creates a dependency to sugar from the malfunction of serotonin. When refined carbohydrates are ingested, serotonin is manufactured and released. Serotonin synapses in the brain signal the alleviation of physical and emotional pain, and someone without enough serotonin can be quite anxious or depressed. HOW DOES IT RELATE? Life style The Bodys Natural Pain Killer MALFUNCTIONS E Endorphin High Natural Low ENDORPHIN
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