duodenum

名词 duodenum:

1. the part of the small intestine between the stomach and the jejunum

du.o.de.num

n.（名词）
【复数】 du.od.e.na[dô.…-dô.n…, dyô.-, dô-ôd.n-…, dyô-] 或 du.o.de.nums
The beginning portion of the small intestine, starting at the lower end of the stomach and extending to the jejunum.
十二指肠：小肠的开始部分，开始于胃的底部，伸入空肠

来源：
Middle English
中古英语
from Medieval Latin
源自 中世纪拉丁语
short for intestonum duodônum digitôrum [intestine of twelve fingers (in length)]
intestonum duodônum digitôrum的简写 [长度为十二指的长]
from Latin duodônum [genitive pl. of] duodôno [twelve each]
源自 拉丁语 duodônum [] duodôno的所有格复数 [每个十二]
from duodecim [twelve] * see duodecimal
源自 duodecim [十二] *参见 duodecimal

【引伸】
du.ode.nal