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gray matter structure
made of neuronal cell bodies
gray matter function
responsible for processing info
white matter structure
made of myelinated axons
white matter function
transmits info throughout the brain and spinal cord
ventral horn structure
anterior part of gray matter that contains cell bodies for motor neurons
ventral horn function
responsible for voluntary movement and reflexes
dorsal horn structure
posterior part of the spinal cords gray matter
dorsal horn function
process and transmit somatosensory information, such as touch, pain, temperature, and proprioception, from the body to the brain
ascending
dorsal, sensory impulses to the brain
descending
ventral, motor impulses from the brain to motor neurons reaching muscles and glands
damage to ascending
loss of sense/feeling
damage to descending
difficulty with voluntary movement
tracts
axons that provide two way communication between the brain and body parts
Spinothalamic Tract
sends impulses from the spinal cord to the thalamus