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This type of descending motor pathway originates in the brainstem and governs automatic movements that help regulate muscle tone, posture and balance.
From Wikipedia, the free encyclopedia. The spinoreticular tract is an ascending pathway in the white matter of the spinal cord, positioned closely to the lateral spinothalamic tract.The tract is from spinal cordâto reticular formation â to thalamus.he spinoreticular tract utilizes four levels of neurons, unlike most ascending tracts which have first-through third-order neurons. The tract begins with first-order neurons, which immediately synapse with second-order neurons in the posterior horn of the spinal column.