| 单词 | duodenum |
| 释义 | duodenum /dooh'euh dee"neuhm, dyooh'-; dooh od"n euhm, dyooh-/, n. , pl. duodena /dooh'euh dee"neuh, dyooh'-; dooh od"n euh, dyooh-/, duodenums. Anat., Zool. the first portion of the small intestine, from the stomach to the jejunum. See diag. under intestine. [1350-1400; ME < ML, by ellipsis from intestinum duodenum digitorum intestine of twelve fingerbreadths, with original gen. pl. construed as neut. sing.; L duodeni twelve each (here lacking distributive sense)] |
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