auditory placode


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auditory placode

[′ȯd·ə‚tōr·ē ′pla‚kōd]
(embryology)
An ectodermal thickening from which the inner ear develops in vertebrates.
References in periodicals archive ?
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).