mossy fiber


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Related to mossy fiber: Climbing fibers

mossy fiber

An excitatory axon from outside the cerebellum that synapses in the granular layer of the cerebellar cortex. Mossy fiber terminals are the central elements in complex synaptic formations that include dendrites of granular neurons and neurites of Golgi cells.
See also: fiber
References in periodicals archive ?
Hippocampus analyses revealed disturbed cell firing, depressed cell responses to electric stimulation, dwindling numbers of synapses, and an expansion of a class of cells called mossy fibers that may disrupt overall hippocampus function.