词根词缀：atrio-, atri-

【来源及含义】Latin: entrance hall or chamber; upper heart chamber; central room

【同源单词】atrial, atrial electrogram, atrial fibrillation, atriomegaly, atrioseptoplasty, atrioseptostomy

词根词缀：megalo-, megal-, -megalia, -megaly

【来源及含义】Greek: large, big, very big

【相关词根词缀】 Related "big, large, great" words: grand-; macro-; magni-; major-; maxi-; mega-.

【同源单词】acromegalogigantism, acromegaloidism, acromegaly, adenomegaly, adrenomegaly, angiomegaly