pyloric orifice
(redirected from ostium pyloricum)py·lor·ic or·i·fice
[TA]the opening between the stomach and the superior part of the duodenum.
Synonym(s): ostium pyloricum [TA], gastroduodenal orifice
py·lor·ic or·i·fice
(pī-lōr'ik ōr'i-fis) [TA]The opening between the stomach and the superior part of the duodenum.