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:tropho-, troph-, -trophy, -trophs, -trophically, -trophic, -trophous
【来源及含义】Greek: food, nutrition, nourishment; development
【相关描述】Don't confuse this tropho-, -trophy element with tropo-, meaning "turn, turning," etc.
【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "food, nutrition, nourishment": alimento-; broma-; carno-; cibo-; esculent-; sitio-; Eating Crawling Snacks; Eating: Carnivorous-Plant "Pets"; Eating: Folivory or Leaf Eaters; Eating: Omnivorous.
【同源单词】abiatrophy, abiotrophia, abiotrophic, abiotrophy, acardiotrophia, allogotrophia