perilymph

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perilymph

A doctor points to a diagram showing perilymph in the inner ear.

Definition
  1. Noun:
    • The bodily fluid that fills the space between the bony labyrinth and the membranous labyrinth of the inner ear: Perilymph is a clear fluid found in the inner ear, surrounding the membranous structures involved in hearing and balance.
Usage
  • Perilymph is a specific anatomical term. It is used in medical, biological, and audiological contexts to describe this particular fluid and its functions.
  • It is typically used as a singular, uncountable noun.
Examples
  • Noun:
    • The composition of perilymph is similar to cerebrospinal fluid.
    • A rupture in the membrane can cause perilymph to leak into the middle ear.
    • The study focused on the ionic concentration within the perilymph.
Advanced Usage
  • "Perilymphatic space": Refers to the anatomical compartment filled with perilymph.
    • The scala tympani and scala vestibuli are perilymphatic spaces within the cochlea.
Variants and Related Words
  • Perilymphatic (adjective): Relating to or containing perilymph.
    • The perilymphatic duct connects the inner ear to the subarachnoid space.
Synonyms
  • There are no direct common synonyms for this precise anatomical term. In general descriptive language, one might use "inner ear fluid," but this is not a technical synonym.
Related Phrases
  • Perilymph fistula: An abnormal opening that allows perilymph to leak, often causing hearing and balance problems.
    • The patient was diagnosed with a perilymph fistula following the head trauma.
Notes
  • Perilymph is distinct from endolymph, which is the fluid contained the membranous labyrinth of the inner ear. The two fluids have different ionic compositions and functions.
perilymph

A doctor points to a diagram showing perilymph in the inner ear.

Noun
  1. the bodily fluid that fills the space between the bony labyrinth and the membranous labyrinth of the inner ear