| HP:0000006 | Autosomal dominant 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 heterozygotes. In the context of medical genetics, an autosomal dominant disorder is caused when a single copy of the mutant allele is present. Males and females are affected equally, and can both transmit the disorder with a risk of 50% for each child of inheriting the mutant allele." [HPO:curators] |
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| 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:0000252 | Microcephaly | "Microcephaly is a neurodevelopmental disorder in which the circumference of the head is more than two standard deviations smaller than the age- and gender-dependent norm." [HPO:curators] |
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| HP:0000508 | Ptosis | "Drooping of the eyelid." [HPO:curators] |
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| HP:0000625 | Eyelid, cleft | "A short discontinuity of the margin of the lower or upper eyelid." [pmid:19125427] |
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| HP:0000737 | Irritability | |
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| HP:0000958 | Dry skin | |
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| HP:0000992 | Photosensitivity | "An increased sensitivity of the skin to light. Photosensitivity may result in a rash upon exposure to the sun (which is known as photodermatosis). Photosensitivity can be diagnosed by phototests in which light is shone on small areas of skin." [HPO:curators] |
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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:0001257 | Spasticity | "A motor disorder characterized by a velocity-dependent increase in tonic stretch reflexes with increased muscle tone, exaggerated (hyperexcitable) tendon reflexes." [HPO:curators] |
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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:0001357 | Plagiocephaly | "An asymmetric head shape often resulting from premature closure of only one of the coronal sutures." [HPO:curators] |
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| HP:0001371 | Contractures | |
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| HP:0001873 | Thrombocytopenia | |
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| HP:0002132 | Porencephaly | |
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| HP:0002135 | Basal ganglia calcification | "Calcification affecting one or more structures of the basal ganglia." [HPO:curators] |
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| HP:0002139 | Arrhinencephaly | |
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| HP:0002187 | Mental retardation, profound | "Severe mental retardation is defined as an intelligence quotient (IQ) below 20." [HPO:curators] |
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| HP:0002352 | Leukoencephalopathy | |
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| HP:0002415 | Leukodystrophy | |
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| HP:0003040 | Arthropathy | |
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| HP:0003828 | Variable expressivity | |
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| HP:0004374 | Hemiplegia/hemiparesis | "Loss of strength in the arm, leg, and sometimes face on one side of the body. Hemiplegia refers to a severe or complete loss of strength, whereas hemiparesis refers to a relatively mild loss of strength." [HPO:curators] |
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| HP:0007321 | Deep white matter hypodensities | |
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| HP:0008872 | Feeding problems in infancy | |
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| HP:0008936 | Muscular hypotonia of the trunk | "Muscular hypotonia (abnormally low muscle tone) affecting the musculature of the trunk." [HPO:curators] |
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| HP:0009710 | Chilblain lesions | "Chilblains are acral ulcers." [HPO:curators] |
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| HP:0040189 | Scaling skin | "Refers to the loss of the outer layer of the epidermis in large, scale-like flakes." [] |
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| HP:0200149 | CSF lymphocytosis | |
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