Fig. 3

Change in the volume of the scala media between the gestational weeks 11 to 36. The increase in volume of the endolymph filled scala media estimated via material statistics module using Amira 6.4®. A substantial increase in scala media volume measured occurs between the gestational age 11 (youngest specimen examined) and gestational age 36 (oldest specimen examined), while strongest increase in analyzed stages occurs between GW 14 and GW23