词根词缀：proto-, prot-

【来源及含义】Greek: first; foremost, front, earliest form of, original, primitive; chief, principal; usually used as a prefix

【同源单词】apolipoprotein, cryoprotein, fetoprotein, glycoprotein, hyperlipoproteinemia, hypolipoproteinemia

词根词缀：urin-, urino-, uric-, urico-, uri-, -uria, -urea, -ure

【来源及含义】Latin: water, rain, wet

【同源单词】acetonuria, achromaturia, acidaminuria, aciduria, acraturesis, adiposuria