An epithelial sac of invaginated ectoderm formed from the otic placode that gives rise to the structures of the inner ear[MP].
Comment:
[homology-note] "The inner ear develops embryonically in all vertebrates as an invagination of the ectodermal otic placode to form an otic vesicle.[well established][VHOG]" xsd:string {date_retrieved="2012-09-17", external_class="VHOG:0001148", ontology="VHOG", source="ISBN:978-0030223693 Liem KF, Bemis WE, Walker WF, Grande L, Functional Anatomy of the Vertebrates: An Evolutionary Perspective (2001) p.413", source="http://bgee.unil.ch/"}