| Namespace | MPheno.ontology | Obsolete | false |
| description | change in the normal production (volume) or ionic homeostasis of the fluid contained within the osseous labyrinth, surrounding and protecting the membranous labyrinth; perilymph resembles extracellular fluid in composition, has a high concentration of sodium ion and a low concentration of potassium ion and, through the perilymphatic duct, is in continuity with cerebrospinal fluid |
