| 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:0000179 | Prominent lower lip | "Increased thickness of the lower lip, leading to a prominent appearance of the lower lip." [HPO:curators] |
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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:0000280 | Coarse facial features | |
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| HP:0000286 | Epicanthus | "An epicanthal fold is a semilunar fold of skin that extends from the upper eyelid across the medial canthal area to the lower eyelid." [HPO:curators] |
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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:0000377 | Abnormal form of ears | "Abnormal form of the out part of the ear (also referred to as the auricle or pinna)." [HPO:curators] |
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| HP:0000445 | Broad nose | |
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| HP:0000470 | Short neck | |
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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: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:0000664 | Synophrys | "Fusion of the left and right `eyebrow` (FMA:54237)." [HPO:probinson] |
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| HP:0000926 | Platyspondyly | |
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| HP:0000951 | Abnormality of the skin | "An abnormality of the `skin` (FMA:7163)." [HPO:probinson] |
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| HP:0001007 | Hirsutism | "Abnormally increased hair growth." [HPO:curators] |
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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:0001251 | Ataxia | "Ataxia is a nonspecific neurological sign and symptom consisting of gross lack of coordination of muscle movements. Ataxia is caused by dysfunction of one or more parts of the nervous system including the cerebellum, the sensory nervous system, the vestibular system, or the cerebral cortex." [HPO:curators] |
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| HP:0001252 | Muscular hypotonia | "Muscular hypotonia is an abnormally low muscle tone (the amount of tension or resistance to movement in a muscle), often involving reduced muscle strength. Hypotonia is characterized by a diminished resistance to passive stretching." [HPO:curators] |
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| HP:0001290 | Generalized hypotonia | "Generalized muscular hypotonia (abnormally low muscle tone)." [HPO:curators] |
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| HP:0001388 | Joint laxity | |
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| HP:0001498 | Carpal bone hypoplasia | |
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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:0002162 | Low posterior hairline | |
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| HP:0002651 | Spondyloepimetaphyseal dysplasia | |
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| HP:0002868 | Narrow iliac wings | |
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| HP:0003015 | Metaphyseal flaring | "The presence of splayed (i.e.,flared) metaphyseal segments of the long bones." [HPO:curators] |
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| HP:0003025 | Irregular metaphyses | |
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| HP:0003085 | Disproportionately long fibulae | |
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| HP:0003180 | Flat acetabular roofs | |
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| HP:0003301 | Irregular vertebral endplates | "An irregular surface of the vertebral end plates, which are normally relatively smooth." [HPO:curators] |
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| HP:0005121 | Posterior scalloping of vertebral bodies | "The posterior vertebral scalloping sign appears on a lateral radiograph of the spine as an exaggeration of the normal concavity of the posterior surface of one or more vertebral bodies." [HPO:curators] |
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| HP:0010582 | Irregular epiphyses | |
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| HP:0010585 | Small epiphyses | |
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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:0011220 | Prominent forehead | "Forward prominence of the entire forehead, due to protrusion of the frontal bone." [pmid:19125436] |
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| HP:0012697 | Small basal ganglia | "Decreased size of the basal ganglia." [HPO:probinson] |
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| HP:0100864 | Hypoplasia of the femoral neck | |
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