Agenesis of the ileum and jejunum.
D006801:Humans; D007082:Ileum / Q000002:abnormalities*; D007421:Intestine, Small / Q000002:abnormalities*; D007422:Intestines; D007583:Jejunum / Q000002:abnormalities*
ILEUM/absence; INTESTINE, SMALL/abnormalities; JEJUNUM/absence