Partial obstruction of the pylorus due to a mucosal diaphragm of congenital origin.
D000013:Congenital Abnormalities; D003964:Diaphragm; D004194:Disease; D006801:Humans; D009092:Mucous Membrane / Q000002:abnormalities*; D011708:Pylorus
ABNORMALITIES; MUCOUS MEMBRANES/abnormalities; PYLORUS/diseases