Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
endolymph(ĕn′dō-lĭmf) [″ + L. lympha, clear fluid]
A pale transparent fluid within the vestibular labyrinth of the inner ear. Endolymph differs in composition from the perilymph that is outside the vestibular labyrinth: endolymph is similar to intracellular fluid; perilymph, to extracellular cerebrospinal fluid.endolymphatic (-lĭm-făt′ĭk), adjective
pertaining to or emanating from the endolymph.
connects the saccule of the membranous labyrinth of the internal ear to the endolymphatic sac.