mossy fibre
(US mossy fiber) Anatomy
noun
A type of thick, highly branched afferent nerve fibre found especially in the cerebellar cortex.
Origin
1920s; earliest use found in Stephen Walter Ranson (1880–1942). After Spanish fibras muscogas; compare (in the same source) German moosartige Faser, Moosfaser, and also French fibre moussue.