| 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: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: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:0000762 | Decreased nerve conduction velocities | |
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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:0001260 | Dysarthria | "Dysarthric speech is a general description referring to a neurological speech disorder characterized by poor articulation. Depending on the involved neurological structures, dysarthria may be further classified as spastic, flaccid, ataxic, hyperkinetic and hypokinetic, or mixed." [HPO:curators] |
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| HP:0001272 | Cerebellar atrophy | |
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| HP:0001310 | Dysmetria | |
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| HP:0001347 | Hyperreflexia | "The presence of overactive or overresponsive reflexes." [HPO:curators] |
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| HP:0001744 | Splenomegaly | "An abnormal enlargement of the spleen." [HPO:curators] |
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| HP:0001874 | Abnormality of neutrophil | |
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| HP:0001876 | Pancytopenia | |
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| HP:0001908 | Hypoplastic anemia | |
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| HP:0002166 | Decreased vibratory sense in the lower limbs | "A decrease in the ability to perceive vibration in the legs." [HPO:curators] |
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| HP:0002167 | Neurological speech impairment | |
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| HP:0002205 | Recurrent respiratory infections | |
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| HP:0002317 | Unsteady gait | |
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| HP:0002500 | Abnormality of the cerebral white matter | |
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| HP:0002936 | Distal sensory impairment | |
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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:0003828 | Variable expressivity | |
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| HP:0004311 | Abnormality of macrophages | |
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| HP:0004313 | Reduced immunoglobulin levels | |
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| HP:0004820 | Acute myelomonocytic leukemia | |
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| HP:0006801 | Hyperactive deep tendon reflexes | |
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| HP:0007360 | Aplasia/Hypoplasia of the cerebellum | |
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| HP:0011448 | Ankle clonus | "Clonus is an involuntary tendon reflex that causes repeated flexion and extension of the foot. Ankle clonus is tested by rapidly flexing the foot upward." [HPO:probinson] |
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| HP:0011869 | Abnormal platelet function | "Any anomaly in the function of thrombocytes." [HPO:probinson] |
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