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Pronunciation: per'i-limf

Definition: The fluid contained within the osseus labyrinth, surrounding and protecting the membranous labyrinth; perilymph resembles extracellular fluid in composition (sodium salts are the predominant positive electrolyte) and, through the perilymphatic duct, is in continuity with cerebrospinal fluid.

Synonym(s): perilymphaTA, Cotunnius liquid, liquor cotunnii

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.