otocyst


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otocyst

 [o´to-sist]
1. the auditory vesicle of the embryo.
2. the organ of hearing in certain animals.

o·to·cyst

(ō'tō-sist),
1. Embryonic otic vesicle.
2. A balancing organ, analogous to the utricle of mammals, possessed by certain invertebrates and containing grains of calcareous material or of sand.
[oto- + G. kystis, a bladder]

otocyst

/oto·cyst/ (o´to-sist) the auditory vesicle of the embryo.

otocyst

(ō′tə-sĭst′)
n.
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.

otocyst

The precursor, in the MESODERM of the head of the embryo, of the membranous LABYRINTH of the inner ear.

otocyst

an invertebrate organ, containing fluid and OTOLITHS, that is believed to have an auditory function.

otocyst

1. the auditory vesicle of the embryo.
2. the organ of hearing in some lower animals.
References in periodicals archive ?
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.
High concentrations of RA further disrupt the pectoral fins, otocysts, forebrain, and posterior hindbrain structures (including cartilage).