| HP:0000007 | Autosomal recessive inheritance | "A mode of inheritance that is observed for traits related to a gene encoded on one of the autosomes (i.e., the human chromosomes 1-22) in which a trait manifests in homozygotes. In the context of medical genetics, autosomal recessive disorders manifest in homozygotes (with two copies of the mutant allele) or compound heterozygotes (whereby each copy of a gene has a distinct mutant allele)." [HPO:curators] |
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| HP:0000256 | Macrocephaly | "The presence of an abnormally large `skull` (FMA:46565)." [HPO:probinson] |
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| HP:0000316 | Hypertelorism | |
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| HP:0000407 | Hearing loss, sensorineural | "Hearing loss caused by damage or dysfunction of the auditory nerve (cranial nerve VIII)." [HPO:curators] |
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| HP:0000750 | Impaired language development | |
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| HP:0001250 | Seizures | "Seizures are an intermittent `abnormality of the central nervous system` (FMA:HP:0002011) due to a sudden, excessive, disorderly discharge of cerebral neurons and characterized clinically by some combination of disturbance of sensation, loss of consciousness, impairment of psychic function, or convulsive movements." [HPO:probinson] |
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| HP:0001263 | Developmental retardation | "A delay in the achievement of motor or mental milestones manifested prior to age 18 and generally associated with lifelong mental and/or physical impairments." [HPO:curators] |
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| HP:0001290 | Generalized hypotonia | "Generalized muscular hypotonia (abnormally low muscle tone)." [HPO:curators] |
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| HP:0001396 | Cholestasis | |
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| HP:0001397 | Hepatic steatosis | |
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| HP:0001410 | Decreased liver function | |
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| HP:0001508 | Failure to thrive | |
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| HP:0001631 | Atrial septal defect | "Atrial septal defect (ASD) is a congenital heart defect that enables blood flow between the left and right atria via the interatrial septum. The three common types of ASD are sinus venosus defects, ostium secundum defects, and ostium primum defects." [HPO:curators] |
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| HP:0001642 | Pulmonic stenosis | "A narrowing of the right ventricular outflow tract that can occur at the pulmonary valve (valvular stenosis) or just below the pulmonary valve (infundibular stenosis). Infundibular pulmonic stenosis is mostly caused by overgrowth of the heart muscle wall (hypertrophy of the septoparietal trabeculae). Pulmonic stenosis is often seen as a part of Fallot s tetralogy, in which case the events leading to the formation of the overriding aorta are also believed to be a cause of the pulmonic stenosis. The pulmonic stenosis is the major cause of the malformations seen in patients with Fallot tetralogy, with the other associated malformations acting as compensatory mechanisms to the pulmonic stenosis. The degree of stenosis varies between individuals with TOF, and is the primary determinant of symptoms and severity. This malformation is infrequently described as sub-pulmonary stenosis or subpulmonary obstruction." [HPO:curators] |
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| HP:0001680 | Coarctation of aorta | "Coarctation of the aorta is a narrowing or constriction of the aorta just distal to the origin of the left subclavian artery." [HPO:curators] |
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| HP:0001786 | Slender feet | |
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| HP:0002007 | Frontal bossing | "The presence of an unusually prominent forehead." [HPO:curators] |
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| HP:0002059 | Cerebral atrophy | |
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| HP:0002465 | Poor speech | |
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| HP:0002904 | Hyperbilirubinemia | |
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| HP:0002910 | Elevated transaminases | "Elevations of the levels of SGOT and SGPT in the serum. SGOT (serum glutamic oxaloacetic transaminase) and SGPT (serum glutamic pyruvic transaminase) are transaminases primarily found in the liver and heart and are released into the bloodstream as the result of liver or heart damage. SGOT and SGPT are used clinically mainly as markers of liver damage." [HPO:curators] |
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| HP:0003202 | Amyotrophy | "The presence of muscular atrophy (which is also known as amyotrophy)." [HPO:curators] |
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| HP:0003235 | Hypermethioninemia | |
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| HP:0003593 | Early onset | |
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| HP:0003676 | Progressive disorder | |
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| HP:0006580 | Mild portal fibrosis | |
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