Ear (definition)

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Definition: The essential part of the hearing organ consists of two labyrinthine compartments: the bony labyrinthine and the membranous labyrinth. The bony labyrinth is a complex of three interconnecting cavities or spaces (COCHLEA; VESTIBULAR LABYRINTH; and SEMICIRCULAR CANALS) in the TEMPORAL BONE. Within the bony labyrinth lies the membranous labyrinth which is a complex of sacs and tubules (COCHLEAR DUCT; SACCULE AND UTRICLE; and SEMICIRCULAR DUCTS) forming a continuous space enclosed by EPITHELIUM and connective tissue. These spaces are filled with LABYRINTHINE FLUIDS of various compositions.

/inj: pressure-induced injuries
See Also Endolymph
Examples Cochlea; Semicircular Canals; Vestibule, Labyrinth

Other names Labyrinth; Membranous Labyrinths; Labyrinths, Membranous; Labyrinths, Bony; Labyrinths; Labyrinth, Membranous; Labyrinth, Bony; Internal Ears; Internal Ear; Inner Ears; Ears, Internal; Ears, Inner; Bony Labyrinths; Membranous Labyrinth; Inner Ear; Ear, Internal; Bony Labyrinth

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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Ear, Inner