[du.o.de.num] n, pl -de.na or -denums [ME, fr. ML, fr. L duodeni twelve each, fr. duodecim twelve; fr. its length, about 12 fingers' breadth] (14c): the first part of the small intestine extending from the pylorus to the jejunum -- du.o.de.nal adj
DUODENUM
Meaning of DUODENUM in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012