|Dataset||MPO Gene-Phenotype Associations|
|Category||disease or phenotype associations|
|Description||underdevelopment or reduced size of the vessels formed within the six (five in mammals) pairs of branchial arches in embryogenesis; in the adult, some of these vessels give rise to the great vessels (Mammalian Phenotype Ontology, MP_0012492)|
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3 gene mutations causing the pharyngeal arch artery hypoplasia phenotype in transgenic mice from the MPO Gene-Phenotype Associations dataset.