The Homunculus is a little man who sits on top of the brain and whose body parts are sized according to the amount of brain power is used to enable them to function. Big hands big lips and big genitals
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38610b09.44k.8s spinothalamic tract spinal cord thalamus sensory cortex homunculus man penis clitoris foot body thigh abdomen chest and face mouth eyes lips viscera MRI Davidoff art copyright 2008