part of part of develops from develops from has potential to develop into has potential to develop into embryo ectoderm internal ear ear vesicle auditory vesicle UBERON:0003051 FMA:302920 otic vesicle otocyst UBERON:0004373 TAO:0000051 NCIT:C34240 BTO:0002661 OV VHOG:0001148 An epithelial sac of invaginated ectoderm formed from the otic placode that gives rise to the structures of the inner ear[MP]. ZFA:0000051 acoustic vesicle SCTID:308792006 Wikipedia:Otic_vesicle XAO:0000006 AAO:0011080 EMAPA:16669 EHDAA2:0001342 embryonic tissue otic pit presumptive structure epithelial sac