Medical Dictionary

Edinger-Westphal nucleus

noun Ed·ing·er-West·phal nucleus \ ˌed-iŋ-ər-ˌwest-ˌfäl-, -ˌfȯl- \

medical Definition of Edinger-Westphal nucleus

: the lateral portion of the group of nerve cells lying ventral to the aqueduct of Sylvius which give rise to the autonomic fibers of the oculomotor nerve supplying the ciliary muscle and the sphincter pupillae

Biographical Note for edinger-westphal nucleus

  • Westphal \ˈwest-ˌfäl, -ˌfȯl\, Carl Friedrich Otto (1833–1890), German neurologist. In 1887 Westphal presented his description of the nucleus described earlier by Edinger. Since Westphal's description is more complete, he has been accorded equal credit with Edinger, and the nucleus is now usually known as the Edinger-Westphal nucleus.

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