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
D006801
Humans
Members of the species Homo sapiens.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014456
Ulcer
A lesion on the surface of the skin or a mucous surface, produced by the sloughing of inflammatory necrotic tissue.