词根词缀：amoebo-, amoeb-, amoebi-, amebo-, ameb-, amebi-, -amoeba, -ameba

【来源及含义】Greek: change, alteration; return, exchange

【相关描述】Used in the sense "of or pertaining to a one-celled protozoan because it changes shape as it moves and feeds".

【同源单词】acanthamebiasis, acanthamoeba, amebic, amebic dysentery, amebic gangrene, amebic granulomatosis

词根词缀：cell-, cel-

【来源及含义】Latin: to rise high, to surpass, to be eminent

【同源单词】excel, excelled, excellence, excellency, excellent, Excellentia