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1. The structure formed by invagination of the embryonic ectodermal tissue that develops into the inner ear.
2. A statocyst.

o′to·cys′tic adj.


1. (Zoology) another name for statocyst
2. (Zoology) the embryonic structure in vertebrates that develops into the inner ear in the adult
ˌotoˈcystic adj


(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.
o`to•cys′tic, adj.
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SCOTTY ta1 = otocyst SCOTTY ta2 = boycotts, cryostat, otocysts MOORE tp = Romeo MOORE ta1 = boomer, mooner, moored, morose, roomie MOORE ta2 = bedroom, boredom, doormen, groomed, hormone, promote SCOTTY MOORE ta5 = cytophotometries SCOTTY MOORE ta6 = spectrophotometry BILL ta1 = billy, brill, libel BILL ta2 = billet, billow, glibly, liable BLACK ta1 = blacks BLACK ta2 = backlit, backlog, becloak, layback BILL BLACK ta3 = blackballing FONTANA ta1 = nonfatal FONTAN A ta3 = nonfactual FLOYD ta1 = fondly FLOYD ta2 = dropfly, twyfold CRAMER ta1 = charmer, creamer, marcher CRAMER ta2 = carmaker, creamery, screamer
The otocysts contain smaller otoliths, and they are irregular in shape; the heart tube is attached by a thin strand of cells to the pericardial wall; and blood cells pool on the ventral side of the embryo at the level of the hindbrain and along the length of the tail.
The hindbrain (hb) develops just posterior to any retinal tissue, but the otocysts have been deleted.