In the spinal cord, sensory information travels in specific pathways known as tracts. These tracts carry signals from sensory receptors throughout the body to the brain. Major ascending tracts include the dorsal columns, which convey fine touch and proprioception, and the spinothalamic tract, which transmits pain and temperature sensations. The organization of these tracts is crucial for the central nervous system to process and respond to sensory stimuli effectively.
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