| 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:0000154 | Wide mouth | "Abnormally wide mouth." [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:0000275 | Narrow face | |
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| HP:0000280 | Coarse facial features | |
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| HP:0000297 | Facial hypotonia | |
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| HP:0000307 | Pointed chin | |
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| HP:0000322 | Short philtrum | |
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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:0000395 | Prominent antihelix | "Abnormally prominent antihelix." [HPO:curators] |
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| HP:0000414 | Bulbous nose | |
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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:0000494 | Downward slanting 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: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:0001258 | Spastic paraplegia | |
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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:0001272 | Cerebellar atrophy | |
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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:0001347 | Hyperreflexia | "The presence of overactive or overresponsive reflexes." [HPO:curators] |
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| HP:0001371 | Contractures | |
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| HP:0001608 | Abnormality of the voice | "Any abnormality of the voice." [HPO:curators] |
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| HP:0001762 | Talipes equinovarus | "Also called clubfoot typically has 4 main components: inversion and adduction of the forefoot; inversion of the heel and hindfoot; equinus (limitation of extension) of the ankle and subtalar joint; and internal rotation of the leg. Clubfoot is a complex, multifactorial deformity with genetic and intrauterine factors. One popular theory postulates that a clubfoot is a result of intrauterine maldevelopment of the talus that leads to adduction and plantarflexion of the foot. On radiographic projection a clubfoot can be noted as parallel axes of talus and calcaneus." [HPO:curators] |
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| HP:0002119 | Ventriculomegaly | |
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| HP:0002120 | Cerebral cortical atrophy | |
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| HP:0002307 | Drooling | |
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| HP:0002510 | Spastic tetraplegia | "Spastic paralysis affecting all four limbs." [HPO:curators] |
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| HP:0003189 | Long nose | |
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| HP:0003199 | Decreased muscle mass | |
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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:0003577 | Onset at birth | |
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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: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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