Douleur

Page 1

Douleur et contrôle supramédullaire

cortex somato-sensoriel

thalamus raphé

neurone R neurone N

neurone S

neurone R

S2

S2

interneurones R

synapses S1 S2 S3

sécrétion Substance P Sérotonine ou noradrénaline enképhaline

S3 neurone S S1

S3 neurone N


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