Dictionary

jejunum

noun je·ju·num \ji-ˈjü-nəm\
plural je·ju·na \-nə\

Definition of JEJUNUM

:  the section of the small intestine that comprises the first two fifths beyond the duodenum and that is larger, thicker-walled, and more vascular and has more circular folds than the ileum

Origin of JEJUNUM

Middle English, from Medieval Latin, from neuter of Latin jejunus
First Known Use: 14th century
Medical Dictionary

jejunum

noun je·ju·num \ji-ˈjü-nəm\
plural je·ju·na \-nə\

Medical Definition of JEJUNUM

:  the section of the small intestine that comprises the first two fifths beyond the duodenum and that is larger, thicker-walled, and more vascular and has more circular folds and fewer Peyer's patches than the ileum

Illustration of JEJUNUM

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