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：mastoido-, mastoid-

【来源及含义】Greek: breast; used in the specialized sense as "of or pertaining to the breast-shaped mastoid process of the temporal bone

【同源单词】atlantomastoid, cleidomastoid, mastoid, mastoid angle, mastoid process, mastoidal