corticonuclear fiber

any of a group of fibers forming part of the pyramidal tract that extend from the cerebral cortex to nuclei in the midbrain, pons, and medulla oblongata. Also called corticobulbar fiber.

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Psychology term of the day

May 10th 2024

norm of reaction

all possible phenotypic outcomes, or observable characteristics of an individual, that could theoretically result from a given genotype in relation to its environment. See gene–environment interaction.