词根词缀：-ectomy, -ectome, -ectomize

【来源及含义】Greek: a suffix; cut, excise, surgical removal of

【相关词根词缀】 Related cutting-word units: cast-; castrat-; -cise, -cide; mutil-; put-; sec-, seg-; temno-; -tomy; trunc-.

【同源单词】abdominal hysterectomy, abdominal nephrectomy, abdominohysterectomy, acetabulectomy, acromionectomy, adenectomy

词根词缀：procto-, proct-

【来源及含义】Greek: anus, rectum

【同源单词】ankyloproctia, aproctia, colectomy, coloproctectomy, coloproctostomy, Entoprocta

词根词缀：sigmoido-, sigmo-

【来源及含义】Greek: sigmoeides, shaped like the letter sigma; pertaining to the sigmoid flexure, the S-shaped bend in the colon; a combining form that usually denotes the sigmoid colon

【同源单词】anosigmoidoscopy, dolichosigmoid, proctosigmoidectomy, proctosigmoiditis, proctosigmoidoscope, proctosigmoidoscopy