Auditory vesicle



the pouch that is formed by the invagination of an ectodermal placode and that develops into the internal ear.
Historical Examples

In all Vertebrata the auditory vesicle undergoes further changes of a complicated kind.
The Works of Francis Maitland Balfour, Volume III (of 4) Francis Maitland Balfour

The auditory vesicle in Mammalia is at first nearly spherical, and is imbedded in the mesoblast at the side of the hind-brain.
The Works of Francis Maitland Balfour, Volume III (of 4) Francis Maitland Balfour

auditory vesicle n.
Either of the paired sacs of invaginated ectoderm in the embryo that develop into the membranous labyrinth of the internal ear. Also called otic vesicle.

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