perilymph

American  

[per-i-limf] / ˈpɛr ɪˌlɪmf /

noun

Anatomy.

1. the fluid between the bony and membranous labyrinths of the ear.

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perilymph British  

/ ˈpɛrɪˌlɪmf /

noun

1. the fluid filling the space between the membranous and bony labyrinths of the internal ear

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Other Word Forms

• perilymphatic adjective

Etymology

Origin of perilymph

First recorded in 1830–40; peri- + lymph

Example Sentences

When the oval window is forced inward, as shown, a pressure wave travels through the perilymph in the direction of the arrows, stimulating nerves at the base of cilia in the organ of Corti.

From Textbooks • Aug. 12, 2015

The osseous labyrinth may be regarded as an osseous mould in the petrous portion of the temporal bone, lined by tesselated endothelium, and containing a small quantity of fluid called the perilymph.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various

Both the scala vestibula and the scala tympani belong to the outer portion of the internal ear and are, for this reason, filled with the perilymph.

From Physiology and Hygiene for Secondary Schools by Walters, Francis M.

Between the bony walls of the passages and the membranous bag inside is a thin, clear fluid, the perilymph.

From A Practical Physiology by Blaisdell, Albert F.

The whole of the labyrinth is membranous, and contains a fluid, the endolymph; between the membranous wall of the labyrinth and the enclosing bone is a space containing the perilymph.

From Text Book of Biology, Part 1: Vertebrata by Wells, H. G. (Herbert George)