Endolymph meaning

Endolymph is a fluid found inside the membranous labyrinth of the inner ear.


Endolymph definitions

Word backwards hpmylodne
Part of speech Noun
Syllabic division en-do-lymph
Plural The plural of the word endolymph is endolymphs.
Total letters 9
Vogais (2) e,o
Consonants (7) n,d,l,y,m,p,h

Endolymph is a fluid that fills the inner ear's membranous labyrinth, a system of interconnected canals and chambers responsible for hearing and balance. This clear fluid plays a crucial role in transmitting sound vibrations and head movement signals to the brain.

The composition of endolymph is unique compared to other bodily fluids, with high levels of potassium and low levels of sodium. This specific ion concentration is vital for the proper function of hair cells within the inner ear, which convert mechanical signals into electrical impulses that the brain interprets as sound and balance.

Structure of Endolymph

The endolymphatic fluid is housed within the cochlea, vestibule, and semicircular canals of the inner ear. These structures are lined with specialized cells that help regulate the volume and composition of endolymph to maintain proper hearing and balance functions.

Function of Endolymph

Endolymph plays a crucial role in the process of hearing by transmitting sound vibrations through the cochlea and stimulating hair cells that send electrical signals to the brain via the auditory nerve. Additionally, in the vestibular system, endolymph helps detect head movements and maintain balance by activating sensory cells in the semicircular canals.

In conclusion, endolymph is a specialized fluid essential for auditory and vestibular functions in the inner ear. Its unique composition and precise regulation are crucial for interpreting sound and maintaining balance, highlighting the significance of this fluid in our sensory experiences.


Endolymph Examples

  1. The endolymph in the inner ear helps maintain balance.
  2. Dysfunction of the endolymphatic sac can lead to vertigo.
  3. The composition of endolymph differs from that of cerebrospinal fluid.
  4. Endolymphatic hydrops is a condition characterized by excessive endolymph in the ear.
  5. Endolymphatic duct decompression may be performed to alleviate symptoms of Meniere's disease.
  6. The movement of endolymph is critical for transmitting sound waves in the cochlea.
  7. Excessive pressure in the endolymphatic system can cause hearing loss.
  8. The stria vascularis is responsible for maintaining the ionic composition of endolymph.
  9. Endolymphatic shunts are used to divert excess endolymph in the inner ear.
  10. Endolymphatic flow is crucial for proper functioning of the vestibular system.


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  • Updated 12/04/2024 - 12:51:33