词根词缀：omphalo-, omphal-

【来源及含义】Greek: navel, umbilicus; pertaining to the navel or to the umbilicus

【同源单词】cirsomphalous, exomphalos, omphalectomy, omphalelcosis, omphalic, omphalitis

词根词缀：onco-, oncho-, -oncus

【来源及含义】Greek: "mass, bulk"; denotes relationship to a tumor, process of cancer formation; swelling, or mass

【同源单词】adenoncus, arthroncus, blepharoncus, chrono-oncology, glossoncus, gonyoncus