Endolymph

Endolymph
Cross-section of cochlea. (Endolymph is located in the cochlear duct - the light green region at the middle of the diagram.)
illustration of otolith organs showing detail of utricle, ococonia, endolymph, cupula, macula, hair cell filaments, and saccular nerve
Details
Identifiers
Latinendolympha
MeSHD004710
TA98A15.3.03.061
TA26997
FMA61112
Anatomical terminology

Endolymph is the fluid contained in the membranous labyrinth of the inner ear. The major cation in endolymph is potassium, with the values of sodium and potassium concentration in the endolymph being 0.91 mM and 154 mM, respectively.[1] It is also called Scarpa's fluid, after Antonio Scarpa.[2]

  1. ^ Bosher SK, Warren RL (1968-11-05). "Observations on the electrochemistry of the cochlear endolymph of the rat: a quantitative study of its electrical potential and ionic composition as determined by means of flame spectrophotometry". Proceedings of the Royal Society B. 171 (1023): 227–247. Bibcode:1968RSPSB.171..227B. doi:10.1098/rspb.1968.0066. PMID 4386844. S2CID 32638469.
  2. ^ synd/2926 at Who Named It?