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:0000076 | Vesicoureteral reflux | "Abnormal (retrograde) movement of urine from the bladder into ureters or kidneys related to inadequacy of the valvular mechanism at the ureterovesicular junction or other causes." [HPO:curators] |
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HP:0000122 | Unilateral renal agenesis | |
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HP:0000219 | Thin upper lip | |
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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:0000253 | Microcephaly, progressive | "Progressive microcephaly is diagnosed when the head circumference falls progressively behind age- and gender-dependent norms." [HPO:curators] |
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HP:0000272 | Malar hypoplasia | "Underdeveloped midface region." [HPO:curators] |
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HP:0000319 | Flat philtrum | |
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HP:0000325 | Triangular facies | |
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HP:0000340 | Sloping forehead | "A form of the forehead that slopes from top to bottom in an anterior direction." [HPO:curators] |
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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:0000343 | Long philtrum | |
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HP:0000365 | Hearing loss | |
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HP:0000369 | Low-set ears | "Low-set ears are defined to be set below an arbitrary line drawn between the lateral canthus of the eye and the occipital protruberance." [HPO:curators] |
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HP:0000414 | Bulbous nose | |
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HP:0000463 | Nares, anteverted | "Anteriorly-facing nostrils viewed with the head in the Frankfurt horizontal and the eyes of the observer level with the eyes of the subject." [pmid:19152422] |
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HP:0000494 | Downward slanting palpebral fissures | |
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HP:0000582 | Upslanting palpebral fissures | |
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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:0001166 | Arachnodactyly | "Abnormally long and slender fingers ("spider fingers")." [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: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:0001302 | Pachygyria | "A congenital abnormality of the cerebral hemisphere chacterized by unusually thick gyrations (convolutions) of the cerebral cortex." [HPO:curators] |
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HP:0001344 | Absent speech development | |
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HP:0001347 | Hyperreflexia | "The presence of overactive or overresponsive reflexes." [HPO:curators] |
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HP:0001508 | Failure to thrive | |
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HP:0002079 | Hypoplasia of the corpus callosum | "Underdevelopment of the corpus callosum." [HPO:curators] |
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HP:0002119 | Ventriculomegaly | |
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HP:0002120 | Cerebral cortical atrophy | |
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HP:0002282 | Heterotopia | |
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HP:0002415 | Leukodystrophy | |
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HP:0002540 | Inability to walk | |
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HP:0003103 | Abnormality of cortical bone | "An abnormality of cortical bone (also known as compact bone), which forms the dense surface of bones." [HPO:curators] |
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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:0003429 | Hypomyelination | |
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HP:0003487 | Babinski sign | "Upturning of the big toe (and sometimes fanning of the other toes) in response to stimulation of the sole of the foot. If the Babinski sign is present it can indicate damage to the corticospinal tract." [HPO:curators] |
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HP:0003676 | Progressive disorder | |
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HP:0004322 | Decreased body height | "A height below that which is expected according to age and gender norms. Although there is no universally accepted definition of short stature, many refer to "short stature" as height more than 2 standard deviations below the mean for age and gender (or below the 3rd percentile for age and gender dependent norms)." [HPO:curators] |
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HP:0007333 | Hypoplastic frontal lobes | "Underdevelopment of the frontal lobe of the cerebrum." [HPO:sdoelken] |
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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:0010864 | Mental retardation, severe | "Moderate mental retardation is defined as an intelligence quotient (IQ) in the range of 20-34." [HPO:probinson] |
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HP:0012471 | Thick vermilion border | "Increased width of the "skin of vermilion border region of upper lip" (FMA:312645)." [HPO:probinson] |
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