| 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:0000407 | Hearing loss, sensorineural | "Hearing loss caused by damage or dysfunction of the auditory nerve (cranial nerve VIII)." [HPO:curators] |
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| HP:0000501 | Glaucoma | "Glaucoma refers loss of retinal ganglion cells in a characteristic pattern of optic neuropathy usually associated with increased intraocular pressure." [HPO:curators] |
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| HP:0001171 | Ectrodactyly (hands) | |
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| HP:0001178 | Claw hand deformities (in severe cases) | |
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| HP:0001265 | Hyporeflexia | |
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| HP:0001284 | Areflexia | |
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| HP:0001425 | Heterogeneous | |
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| HP:0001761 | Pes cavus | |
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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:0001765 | Hammer toes | |
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| HP:0002355 | Difficulty walking | |
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| HP:0002460 | Distal muscle weakness | "Reduced strength of the distal musculature." [HPO:curators] |
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| HP:0002751 | Kyphoscoliosis | |
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| HP:0002936 | Distal sensory impairment | |
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| HP:0003376 | Steppage gait | "An abnormal gait pattern that arises from weakness of the pretibial and peroneal muscles due to a lower motor neuron lesion. Affected patients have footdrop and are unable to dorsiflex and evert the foot. The leg is lifted high on walking so that the toes clear the ground, and there may be a slapping noise when the foot strikes the ground again." [HPO:curators] |
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| HP:0003380 | Decreased number of myelinated fibers | "A loss of myelinated nerve fibers (in general, this finding can be observed on nerve biopsy)." [HPO:curators] |
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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:0003481 | Segmental demyelination/remyelination | |
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| HP:0003621 | Juvenile onset | |
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| HP:0003693 | Distal amyotrophy | "Muscular atrophy affecting muscles in the distal portions of the extremities." [HPO:curators] |
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| HP:0009027 | Foot dorsiflexor weakness | |
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