All of the following aeries supply the first 2 cm of the duodenum, EXCEPT:

The duodenum is supplied by the superior and inferior pancreaticoduodenal aeries, but the first 2 cm receive small branches from a variety of sources:Hepatic aeryCommon hepatic aeryGastroduodenal aerySuperior pancreaticoduodenal aeryRight gastric aeryRight gastroepiploic aeryThis area is clinically impoant because of ulceration. Ref: Lasts Anatomy Regional and Applied By Mcminn, 2003, Page 336.