inferior part of duodenum
(redirected from pars inferior duodeni)in·fe·ri·or part of du·o·de·num
[TA]third section of duodenum inferior to head of pancreas that lies between the superior mesenteric vessels anteriorly and the aorta and inferior vena cava posteriorly.
Synonym(s): pars horizontalis duodeni [TA], horizontal part of duodenum ☆ , pars inferior duodeni ☆ , third part of duodenum