fasciculus

noun
fas·​cic·​u·​lus | \ fə-ˈsi-kyə-ləs How to pronounce fasciculus (audio) , fa-\
plural fasciculi\ fə-​ˈsi-​kyə-​ˌlī How to pronounce fasciculi (audio) , fa-​ \

Definition of fasciculus

1 : a slender bundle of anatomical fibers (such as nerve fibers)

First Known Use of fasciculus

1713, in the meaning defined at sense 1

History and Etymology for fasciculus

New Latin, from Latin

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The first known use of fasciculus was in 1713

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More Definitions for fasciculus

fasciculus

noun
fas·​cic·​u·​lus | \ fə-ˈsik-yə-ləs, fa- How to pronounce fasciculus (audio) \
plural fasciculi\ -​ˌlī How to pronounce fasciculi (audio) \

Medical Definition of fasciculus

: a slender bundle of fibers:
a : a bundle of skeletal muscle cells bound together by fasciae and forming one of the constituent elements of a muscle
b : a bundle of nerve fibers that follow the same course but do not necessarily have like functional connections (as in some subdivisions of the funiculi of the spinal cord) — compare tract sense 2

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