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otocyst

   Also found in: Medical, Encyclopedia 0.01 sec.
o·to·cyst  (t-sst)
n.
1. The structure formed by invagination of the embryonic ectodermal tissue that develops into the inner ear.
2. See statocyst.
oto·cystic adj.
otocyst [ˈəʊtəʊˌsɪst]
n
1. (Life Sciences & Allied Applications / Zoology) another name for statocyst
2. (Life Sciences & Allied Applications / Zoology) the embryonic structure in vertebrates that develops into the inner ear in the adult
otocystic  adj
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1) The endolymphatic sac develops from the otocyst and lies between the internal auditory canal and sigmoid sinus.
Aggressive papillary tumor of the middle ear: a true entity or an ... by Tysome, James R.; Harcourt, Jonny; Patel, Manish C.; Sandison, Ann; Michaels, Leslie / Ear, Nose and Throat Journal
[1,2] Should inner ear development be interrupted between the fourth and fifth weeks of gestation---after differentiation of the auditory placode into the otocyst, but before division of the latter into the primordium of the cochlea, vestibule, and semicircular canals--a "common cavity" forms that has no internal architecture (figure).
Congenital sensorineural hearing loss: Mondini's deformity by D'Antonio, Michael / Ear, Nose and Throat Journal
 
 
 
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