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Complete trisomy 21 syndrome
Down syndrome, the most frequent form of mental retardation caused by a microscopically demonstrable chromosomal aberration, is characterized by well-defined and distinctive phenotypic features and natural history. It is caused by triplicate state (trisomy) of all or a critical portion of chromosome 21. [from OMIM]
Meier-Gorlin syndrome 7
Any Meier-Gorlin syndrome in which the cause of the disease is a mutation in the CDC45 gene. [from MONDO]
Annular pancreas
A congenital anomaly in which the pancreas completely (or sometimes incompletely) encircles the second portion of duodenum and occasionally obstructs the more proximal duodenum. [from HPO]
Duodenal stenosis
The narrowing or partial blockage of a portion of the duodenum. [from HPO]
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