Ascending pathway: A nerve pathway that goes upward from the spinal cord toward the brain carrying sensory information from the body to the brain.
In contrast, descending pathways are nerve pathways that go down the spinal cord and allow the brain to control movement of the body below the head.
Quick GuideDementia, Alzheimer's Disease, and Aging Brains
Subscribe to MedicineNet's General Health Newsletter
Brain and Nervous System Resources
Last Editorial Review: 5/13/2016