APA Dictionary of Psychology
tract
- n.
- a bundle or group of nerve fibers within the central nervous system. The name of a tract typically indicates its site of origin followed by its site of termination; for example, the reticulospinal tract runs from the reticular formation of the brainstem to the spinal cord. Compare nerve.
- a series of organs that as a whole accomplishes a specific function (e.g., the digestive tract).
- a region, passage, or pathway.
Updated on 04/19/2018
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