词根词缀：ento-, ent-

【来源及含义】Greek: within, inside, inner; used as a prefix [used in many words related to anatomy and biology]

【相关词根词缀】Cross references of word families related directly, or indirectly, to: "internal organs, entrails, inside": enter-; fistul-; incret-; inter-; intra-; splanchn-; viscer-.

【同源单词】entacoustic, entoblast, entochondral, entocnemial, entocoel, entocondyloid

词根词缀：tympan-, tympano-, tympani-

【来源及含义】Greek > Latin: drum, kettledrum; stretched membrane; from "blow, impression, to beat"; a part of the ear

【相关词根词缀】 Related "ear" word families: auri-; myring-; oto-.

【同源单词】aerotympanal, bulla tympani, entotympanic, membrana tympanica, tympanal, tympanectomy