neurofibril

n. a fine fiber found in the cytoplasm of a neuron. It is composed of microscopic protein filaments and microtubules. Abnormal formation of neurofibrils leads to the development of neurofibrillary tangles, which are characteristic of Alzheimer’s disease. Also called neural fibril.

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Psychology term of the day

March 13th 2025

fast muscle fiber

a type of muscle fiber found in skeletal muscle that contracts rapidly but fatigues readily. Compare slow muscle fiber.