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duodenal

[doo-uh-deen-l, dyoo-; doo-od-n-uh l, dyoo-] /ˌdu əˈdin l, ˌdyu-; duˈɒd n əl, dyu-/
adjective
1.
of or relating to the duodenum.
Origin of duodenal
1835-1845
1835-45; duoden(um) + -al1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Word Origin and History for duodenal
adj.

1817; see duodenum + -al (1).

Online Etymology Dictionary, © 2010 Douglas Harper
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10
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