Variations in the enchondral bone of the otic capsule.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002675:Child, Preschool; D007758:Ear, Inner / Q000033:anatomy & histology*; D006801:Humans; D066298:In Vitro Techniques; D007223:Infant; D008875:Middle Aged; D010040:Otosclerosis / Q000209:etiology; D013701:Temporal Bone / Q000033:anatomy & histology*