词根词缀：peri-

【来源及含义】Greek: around, enclosing, surrounding, about, near, close; often used as a prefix

【相关词根词缀】 Related "around, round, surrounding" units: ambi-; ampho-; circ-; circum-; cyclo-, -cycle; gyro-.

【同源单词】abdominal fascia, adominoperineal, aeroperitonia, anoperineal, colpoperineoplasty, colpoperineorrhaphy

词根词缀：-stalsis, -staltic (suffix)

【来源及含义】Greek: contraction; to gather, to constrict

【同源单词】antiperistalsis, antiperistaltic, bradydiastalsis, bradystalsis, catastalsis, hyperperistalsis