词根词缀：epi-, ep-

【来源及含义】Greek: above, over, on, upon; besides; in addition to; toward; among

【相关词根词缀】 Related "above, over, beyond the normal, excessive" word units: hyper-; super-, supra-, sur; ultra-, ult-.

【同源单词】anepigraphous, cotyledon, endoepidermal, ephemeral, epibasal, epibasidium

词根词缀：episio-, episi-

【来源及含义】Greek: denotes the vulva or region of the pubes

【同源单词】episioclisia, episioelytrorrhaphy, episiohematoma, episioitis, episioperineoplasty, episioperineorrhaphy

词根词缀：tomo-,-tom, -toma, -tomic, -tomize, -tome, -tomical, -tomically, -tomist, -tomous, -tomy; -otomy

【来源及含义】Greek: cut, incision; section; more often used as a suffix

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

【同源单词】anatomy, atom, cephalotomy, cirsotomy, colostomy, computerized tomography