The shortest and widest portion of the SMALL INTESTINE adjacent to the PYLORUS of the STOMACH. It is named for having the length equal to about the width of 12 fingers.
Duodenums
D005402
Fistula
Abnormal communication most commonly seen between two internal organs, or between an internal organ and the surface of the body.
Fistulas
D006801
Humans
Members of the species Homo sapiens.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man