| 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:0000218 | High palate | "Height of the palate more than 2 SD above the mean (objective) or palatal height at the level of the first permanent molar more than twice the height of the teeth (subjective)." [pmid:19125428] |
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| HP:0000248 | Brachycephaly | "Brachycephaly refers to a short, wide head, which is often caused by premature closure of both coronal sutures." [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:0000262 | Turricephaly | "Turricephaly is derived from the Latin word turris, meaning tall, and refers to a round, tall (tower-like) skull." [HPO:curators] |
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| HP:0000276 | Long face | |
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| HP:0000294 | Low frontal hairline | "A condition in which the scalp hair is present at lower than usual areas of the forehead." [HPO:curators] |
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| HP:0000316 | Hypertelorism | |
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| HP:0000324 | Facial asymmetry | |
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| HP:0000327 | Hypoplasia of the maxilla | "Underdevelopment of the `Maxilla` (FMA:9711)." [HPO:probinson] |
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| HP:0000341 | Narrow forehead | "An abnormally reduced side-to-side width of the forehead." [HPO:curators] |
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| HP:0000400 | Large ears | |
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| HP:0000431 | Broad nasal bridge | "Increased horizontal dimension of the upper, bony part of the nose." [HPO:curators] |
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| HP:0000486 | Strabismus | "Strabismus (also known as squint) is a condition in which the eyes are not properly aligned with each other." [HPO:curators] |
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| HP:0000508 | Ptosis | "Drooping of the eyelid." [HPO:curators] |
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| HP:0000545 | Myopia | |
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| HP:0000639 | Nystagmus | "Rhythmic, involuntary oscillations of one or both eyes related to abnormality in fixation, conjugate gaze, or vestibular mechanisms." [HPO:curators] |
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| HP:0000709 | Psychosis | "A condition characterized by changes of personality and thought patterns often accompanied by hallucinations and delusional beliefs." [HPO:curators] |
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| HP:0000763 | Sensory neuropathy | "Peripheral neuropathy affecting primarily the sensory nerves." [HPO:curators] |
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| HP:0001182 | Tapered fingers | |
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| HP:0001249 | Mental retardation | |
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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:0001270 | Motor retardation | |
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| HP:0001271 | Polyneuropathy | "A generalized disorder of peripheral nerves." [HPO:curators] |
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| HP:0001274 | Agenesis of corpus callosum | "Absence of the corpus callosum as a result of the failure of the corpus callosum to develop, which can be the result of a failure in any one of the multiple steps of callosal development including cellular proliferation and migration, axonal growth or glial patterning at the midline." [HPO:curators] |
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| HP:0001284 | Areflexia | |
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| HP:0001290 | Generalized hypotonia | "Generalized muscular hypotonia (abnormally low muscle tone)." [HPO:curators] |
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| HP:0001319 | Neonatal hypotonia | "Muscular hypotonia (abnormally low muscle tone) manifesting in the neonatal period." [HPO:curators] |
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| HP:0001349 | Facial diplegia | "Facial diplegia refers to simultaneous facial palsy (bilateral facial palsy is much rarer than unilateral facial palsy)." [HPO:curators] |
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| HP:0001363 | Craniosynostosis | "Craniosynostosis refers to the premature closure of the cranial sutures. Primary craniosynostosis refers to the closure of one or more sutures due to abnormalities in skull development, and secondary craniosynostosis results from failure of brain growth." [HPO:curators] |
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| HP:0001371 | Contractures | |
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| HP:0002111 | Restrictive respiratory insufficiency | |
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| HP:0002119 | Ventriculomegaly | |
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| HP:0002353 | EEG abnormalities | "Abnormality observed by electroencephalogram (EEG), which is used to record of the brain s spontaneous electrical activity from multiple electrodes placed on the scalp." [HPO:curators] |
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| HP:0002410 | Aqueductal stenosis | "Stenosis of the cerebral aqueduct (also known as the mesencephalic duct, aqueductus mesencephali, or aqueduct of Sylvius), which connects the third cerebral ventricle in the diencephalon to the fourth ventricle, which is between the pons and cerebellum." [HPO:curators] |
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| HP:0002650 | Scoliosis | "The presence of an abnormal lateral curvature of the spine." [HPO:curators] |
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| HP:0002922 | Increased CSF protein | |
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| HP:0003196 | Nasal hypoplasia | "Underdevelopment of the `nose` (FMA:46472)." [HPO:probinson] |
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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:0003378 | Axonal degeneration/regeneration on nerve biopsy | |
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| HP:0003383 | Onion bulb formations on nerve biopsy | |
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| HP:0003431 | Decreased motor nerve conduction velocity (NCV) | |
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| HP:0003444 | EMG shows chronic denervation | |
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| HP:0003448 | Decreased sensory nerve conduction velocities (NCV) | |
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| HP:0003477 | Axonal neuropathy | |
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| HP:0003676 | Progressive disorder | |
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| HP:0003690 | Limb muscle weakness | "Weakness of the muscles of the arms and legs." [HPO:curators] |
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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:0004691 | 2-3 toe syndactyly | "`Syndactyly` (HP:0001159) with fusion of toes two and three." [HPO:sdoelken] |
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| HP:0007178 | Motor polyneuropathy | |
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| HP:0007703 | Abnormal retinal pigmentation | |
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| HP:0011947 | Respiratory tract infection | "An infection of the upper or lower respiratory tract." [HPO:probinson] |
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| HP:0200085 | Limb tremor | |
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