Antiphospholipid syndrome
ORPHA:80Antisynthetase syndrome
ORPHA:81Antley-Bixler syndrome
ORPHA:83Antley-Bixler syndrome with genital anomaly and disorder of steroidogenesis
ORPHA:63269Antley-Bixler syndrome without genital anomaly or disorder of steroidogenesis
ORPHA:596008Aortic arch anomaly-facial dysmorphism-intellectual disability syndrome
ORPHA:1110Aortic arch defects
ORPHA:1132Aortic arch interruption
ORPHA:2299Aortic dilatation-joint hypermobility-arterial tortuosity syndrome
ORPHA:88636Aortic malformation
ORPHA:98718Aorto-left ventricular tunnel
ORPHA:99071Aorto-right ventricular tunnel
ORPHA:99070Aorto-ventricular tunnel
ORPHA:3400Apert syndrome
ORPHA:87Aphalangy-hemivertebrae-urogenital-intestinal dysgenesis syndrome
ORPHA:1112Aphalangy-syndactyly-microcephaly syndrome
ORPHA:1113Aphonia-deafness-retinal dystrophy-bifid halluces-intellectual disability syndrome
ORPHA:324540Aplasia cutis congenita
ORPHA:1114Aplasia cutis congenita-intestinal lymphangiectasia syndrome
ORPHA:1116Aplasia cutis-myopia syndrome
ORPHA:1117Aplasia of lacrimal and salivary glands
ORPHA:86815Aplastic anemia-intellectual disability-dwarfism syndrome
ORPHA:611216Apnea of prematurity
ORPHA:99981Apolipoprotein A-I deficiency
ORPHA:425Apparent mineralocorticoid excess
ORPHA:320Aprosencephaly
ORPHA:566857Aprosencephaly cerebellar dysgenesis
ORPHA:1126Aprosencephaly/atelencephaly spectrum
ORPHA:566847Aquagenic palmoplantar keratoderma
ORPHA:498359Arachnodactyly-abnormal ossification-intellectual disability syndrome
ORPHA:1129Arachnodactyly-intellectual disability-dysmorphism syndrome
ORPHA:1130Arachnoid cyst
ORPHA:2356Arachnoiditis
ORPHA:137817AREDYLD syndrome
ORPHA:1133Argentine hemorrhagic fever
ORPHA:319223Arginine vasopressin deficiency
ORPHA:178029Arginine vasopressin resistance
ORPHA:223Arginine vasopressin resistance-intracranial calcification-short stature-facial dysmorphism syndrome
ORPHA:3145Argininosuccinic aciduria
ORPHA:23Argyria
ORPHA:60014Arnold-Chiari malformation type I
ORPHA:268882Aromatase deficiency
ORPHA:91Aromatase excess syndrome
ORPHA:178345Aromatic L-amino acid decarboxylase deficiency
ORPHA:35708Arrhinia-choanal atresia-microphthalmia syndrome
ORPHA:1135Arterial dissection-lentiginosis syndrome
ORPHA:1682Arterial duct anomaly
ORPHA:95485Arterial thoracic outlet syndrome
ORPHA:357107