Otic-vesicle
noun
1.
.
noun, Embryology.
1.
the pouch that is formed by the invagination of an ectodermal placode and that develops into the internal ear.
otic vesicle n.
See auditory vesicle.
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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