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

Derived 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

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.

The outer portion is surrounded by a membrane which serves as periosteum to the bone and, at the same time, holds the liquid belonging to this part, called the perilymph.

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

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)

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