| 释义 |
je·ju·num
\jə̇ˈjünəm, jēˈ-\ noun
(plural jeju·na \-nə\)
Etymology: Latin (translation of Greek nēstis, from nēstis fasting), from neuter of jejunus; from the belief that it is empty after death
: the first two fifths of the small intestine beyond the duodenum usually merging almost imperceptibly with the ileum though somewhat larger, thicker-walled, and more vascular and having more numerous circular folds and fewer Peyer's patches |