otocyst

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otocyst

[′ōd·ə‚sist]
(embryology)
The auditory vesicle of vertebrate embryos.
(invertebrate zoology)
An auditory vesicle, otocell, or otidium in some invertebrates.
References in periodicals archive ?
The semicircular canals and their neural elements are derived from the two prominences of the otocyst, the horizontal and vertical canal pouches.
The cochlear duct begins to develop as an out-pocketing of the otocyst at E11.5.
In early development, they, respectively, define the medial and lateral sides of the otocyst, and as the sensory patches are innervated, Pax2 is downregulated in the prosensory domain.
Tomarev, "Expression of Prox1 defines regions of the avian otocyst that give rise to sensory or neural cells," Journal of Comparative Neurology, vol.
In the present study, the chick otocysts were studied since day 2.5 of incubation.
Cocultures of mammalian stem cells with the chick otocyst and its stromal cells produced hair cell-like cells with stereocilia-like protrusions (Jeon et al.; Oshima et al., 2010).
Thus the present study aimed to observe morphological changes of developing inner ear using the organ-cultured otocyst of the chick.
Not shown in Figure 3F, the otocysts are irregular in size and shape and are just posterior to the eyes.
RAI 2 Partial deletions and distortions of midbrain/ hindbrain border region (MB/HB); eyes slightly closer together; axis slightly truncated; heart smaller with pericardial edema, otocysts slightly closer to MB/HB; tail slightly curled; deletions of the quadrate, pterygoid, and hyosymplectic cartilage; malformations of Meckel's cartilage, ceratohyals and the basihyal.