T8Innerspiralsulcus T9Kolliker T12Sacculussensoryregion T14Utriculussensoryregion T16Cristasensoryregion T13Sacculusothercells T15Utriculusothercells T17Cristaothercells T18Semicircularcanals T2MEossicles T5Oticcapsule T24Cartilageprimordiumofrib T4MEmesenchyme T6Mesenchyme T20Choroideplexus4thventric T10Striavascularis T11Outerspiralsulcus T19Endolymphaticductandsac T7Statoacousticganglion T21Hindbrain T22Sensoryretina T23Olfactoryorgan T16Cristasensoryregion T25Folliclesofvibrissae T3MEtympanicmembrane T1Ext.acousticmeatus