词根词缀：oto-, ot-, -otic

【来源及含义】Greek: ear; relationship to the ear

【相关词根词缀】 Related "ear" word families: auri-; myring-; tympano- (drum, stretched membrane).

【同源单词】dichotic, ectotitis, endotic, endotitis, entotic, epiotic

词根词缀：sclero-, scler-

【来源及含义】Greek: skleros tough, toughen; hard, hardening; dry up

【同源单词】arteriosclerosis, multiple sclerosis, otosclerosis, phlebosclerosis, sclera, scleradenitis