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：sept-, septi-, septo-

【来源及含义】Latin: a partition; a dividing wall between two spaces, tissues, or cavities; from saepire "to enclose, to hedge in", and from saepes, "fence, hedge"

【同源单词】atrioseptoplasty, atrioseptostomy, lingual septum, septal, septal defect, septarian