fasciculus

[fuh-sik-yuh-luhs]

noun

plural

fasciculi 

1. a fascicle, as of nerve or muscle fibers.

2. a fascicle of a book.

fasciculus

/ fəˈsɪkjʊləs /

noun

1. another name for fascicle fascicule

Word History and Origins

Origin of fasciculus¹

From Latin, dating back to 1705–15; fascicle

Example Sentences

Our mental calendar involves circuits in the left angular gyrus, important for sequence discrimination and connected to the same hippocampal place cell or grid cell via a band of fibers: the inferior longitudinal fasciculus.

Read more on Scientific American

Connecting Broca’s area with Wernicke’s is a neural network: a thick, curving bundle of billions of nerve fibres, the arcuate fasciculus, which integrates the production and the comprehension of language.

Read more on The New Yorker

This is an image showing a 3D-printed reconstruction of the white matter pathway connecting two areas of the human brain - the arcuate fasciculus.

Read more on BBC

So named because it forms an arch, the arcuate fasciculus connects at the front of the brain to the area of the cerebral cortex linked to speech production.

Read more on US News

This abnormality was found in an area of the brain that connects the frontal lobe and temporal lobes, called the right arcuate fasciculus.

Read more on US News