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otocyst

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otocyst /oto·cyst/ (o´to-sist) the auditory vesicle of the embryo.
o·to·cyst (t-sst)
n.
The structure formed by invagination of the embryonic ectodermal tissue that develops into the inner ear.
oto·cystic adj.
otocyst [o´to-sist]
1. the auditory vesicle of the embryo.
2. the organ of hearing in certain animals.
otocyst
1. the auditory vesicle of the embryo.
2. the organ of hearing in some lower animals.
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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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