node of Ranvier

[ rahn-vyey, rahn-vyey ]
/ rɑnˈvyeɪ, ˈrɑn vyeɪ /

noun Cell Biology.

a gap occurring at regular intervals between segments of myelin sheath along a nerve axon.

Origin of node of Ranvier

1880–85; after Louis-Antoine Ranvier (1835–1922), French histologist, who described it in 1878

British Dictionary definitions for node of ranvier

node of Ranvier
/ (ˈrɑːnvɪˌeɪ) /

noun

any of the gaps that occur at regular intervals along the length of the sheath of a myelinated nerve fibre, at which the axon is exposed

Word Origin for node of Ranvier

C19: named after Louis-Antoine Ranvier (1835–1922), French histologist