HTHSCI 1H06 Lecture Notes - Lecture 2: Coccyx, Thalamus, Proprioception
10 Feb 2015
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Document Summary
Where cerebral cortex sends an impulse down the right level of the spinal cord and then a neuron will go out to innervate muscles & cause them to contract sensory receptors located in skin and muscles goes into spinal cord, makes a synapse and is then relayed to the cortex reflexes: allows for sensory input coming into spinal cord through peripheral nerves to have immediate motor reaction grey matter on inside, white matter outside nerve cell bodies in grey matter are able to send axons as ascending sensory tracts up the outside of the spinal cord (cid:224) inside the brain to contact neurons which are on the superficial surface of the cortex descending motor tracts coming from the brain down the outside surface of the spinal cord in the white matter tracts, axons are generated in the superficial cortex: white matter tracts found on outside of spinal cord attached to spinal cord are axons leaving and entering the spinal cord.
