名詞 jejunum:

1. the part of the small intestine between the duodenum and the ileum

je.ju.num

n.（名詞）
【復(fù)數(shù)】 je.ju.na[-n…]
The section of the small intestine between the duodenum and the ileum.
空腸：小腸位于十二指腸和回腸之間的那部分

來源：
Middle English
中古英語
from Medieval Latin iôiônum (intestonum) [fasting (intestine) (so called because in dissection it was always found empty)]
源自 中世紀(jì)拉丁語 iôiônum (intestonum) [禁食的（小腸）（因解剖時總為空的而得名）]
neuter of Latin iôiônus
拉丁語 iôiônus的中性詞