fasciculus

noun
fas·​cic·​u·​lus | \fə-ˈsi-kyə-ləs, fa-\
plural fasciculi\fə-​ˈsi-​kyə-​ˌlī, 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- \
plural fasciculi\-​ˌlī \

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

c : tract sense 2

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