词根词缀：duodeno-, duoden-

【来源及含义】Latin: first part of the small intestine; based on duodecim, "twelve", because its length is approximately twelve finger-breadths

【同源单词】antroduodenectomy, autocholecystoduodenostomy, duodenal, duodenectomy, duodenitis, duodenogram

词根词缀：gastr-, gastro-, gaster-, gastero-, gastri-, -gastria-

【来源及含义】Greek: stomach, belly

【同源单词】aerogastria, agastria, agastric, amphigastrium, amphigastrula, arachnogastria