Functioning arteriovenous anastomoses in the stomach and duodenum.
D001163:Arteriovenous Anastomosis; D001166:Arteriovenous Shunt, Surgical; D004386:Duodenum / Q000033:anatomy & histology*; D006801:Humans; D013270:Stomach / Q000098:blood supply*
DUODENUM/anatomy and histology; STOMACH/blood supply