Hypertext Webster Gateway: "perilymph"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Perilymph \Per"i*lymph\, n. (Anat.)
The fluid which surrounds the membranous labyrinth of the
internal ear, and separates it from the walls of the chambers
in which the labyrinth lies.
From WordNet (r) 1.7 (wn)
perilymph
n : the bodily fluid that fills the space between the bony
labyrinth and the membranous labyrinth of the inner ear
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