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1. The structure formed by invagination of the embryonic ectodermal tissue that develops into the inner ear.
2. A statocyst.
1. (Zoology) another name for statocyst
2. (Zoology) the embryonic structure in vertebrates that develops into the inner ear in the adult
o•to•cyst(ˈoʊ tə sɪst)
2. one of a pair of pouches that form in the front part of the embryo by the infolding of a thickened area of ectoderm.