| 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:0000014 | Abnormality of the bladder | |
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| HP:0000020 | Urinary incontinence | "Loss of the ability to control the urinary bladder leading to involuntary urination." [HPO:sdoelken] |
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| HP:0000183 | Difficulty in tongue movements | |
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| HP:0000478 | Abnormality of the eyes | "Any abnormality of the `eyes` (FMA:54448), including location, spacing, and intraocular abnormalities." [HPO:curators] |
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| HP:0000496 | Abnormality of eye movement | "An abnormality in voluntary or involuntary eye movements or their control." [HPO:probinson] |
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| HP:0000514 | Slow saccades | |
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| HP:0000763 | Sensory neuropathy | "Peripheral neuropathy affecting primarily the sensory nerves." [HPO:curators] |
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| HP:0001152 | Saccadic smooth pursuit | |
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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:0001258 | Spastic paraplegia | |
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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:0001270 | Motor retardation | |
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| HP:0001285 | Spastic tetraparesis | "Spastic weakness affecting all four limbs." [HPO:curators] |
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| HP:0001288 | Gait disturbance | "The term gait disturbance can refer to any disruption of the ability to walk. In general, this can refer to neurological diseases but also fractures or other sources of pain that is triggered upon walking. However, in the current context gait disturbance refers to difficulty walking on the basis of a neurological or muscular disease." [HPO:curators] |
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| HP:0001324 | Muscle weakness | "Reduced strength of muscles." [HPO:curators] |
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| HP:0001332 | Dystonia | "An abnormally increased muscular tone that causes fixed abnormal postures. There is a slow, intermittent twisting motion that leads to exaggerated turning and posture of the extremities and trunk." [HPO:curators] |
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| HP:0001347 | Hyperreflexia | "The presence of overactive or overresponsive reflexes." [HPO:curators] |
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| HP:0001761 | Pes cavus | |
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| HP:0001771 | Achilles tendon contractures | |
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| HP:0002015 | Dysphagia | "Difficulty in swallowing." [HPO:curators] |
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| HP:0002061 | Lower limb spasticity | |
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| HP:0002064 | Spastic gait | |
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| HP:0002120 | Cerebral cortical atrophy | |
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| HP:0002127 | Upper motor neuron abnormality | |
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| HP:0002141 | Gait imbalance | |
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| HP:0002193 | Pseudobulbar behavioral symptoms | "Individuals with `Pseudobulbar signs` (HP:0002200) often also demonstrate abnormal behavioral symptoms such as inappropriate emotional outbursts of uncontrolled laughter or weeping etc." [HPO:sdoelken] |
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| HP:0002307 | Drooling | |
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| HP:0002366 | Lower motor neuron signs | |
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| HP:0002371 | Loss of speech | |
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| HP:0002425 | Anarthria | "A defect in the motor ability that enables speech." [HPO:curators] |
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| HP:0002445 | Tetraplegia | |
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| HP:0002464 | Spastic dysarthria | |
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| HP:0002491 | Spasticity of facial muscles | |
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| HP:0002492 | Abnormality of the corticospinal tract | "Abnormality of the corticospinal tract, which is the chief element of the pyramidal system (the principle motor tract) and is the only direct connection between the cerebrum and the spinal cord." [HPO:curators] |
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| HP:0002501 | Spasticity of pharyngeal muscles | |
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| HP:0002510 | Spastic tetraplegia | "Spastic paralysis affecting all four limbs." [HPO:curators] |
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| HP:0002650 | Scoliosis | "The presence of an abnormal lateral curvature of the spine." [HPO:curators] |
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| HP:0003199 | Decreased muscle mass | |
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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:0003444 | EMG shows chronic denervation | |
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| HP:0003457 | Abnormal EMG findings | "Abnormal results of investigations using electromyography (EMG)." [HPO:curators] |
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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:0003593 | Early onset | |
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| HP:0003621 | Juvenile onset | |
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| HP:0003676 | Progressive disorder | |
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| HP:0003677 | Slow progression | |
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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:0005216 | Chewing difficulties | |
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| HP:0006986 | Upper limb spasticity | |
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| HP:0007256 | Mild pyramidal signs | |
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| HP:0007354 | Amyotrophic lateral sclerosis | |
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| HP:0009130 | Amyotrophy involving the musculature of the hand | "Muscular atrophy involving the muscles of the hand." [HPO:curators] |
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| HP:0011463 | Childhood onset | "Onset of disease at the age of between 1 and 5 years." [DDD:hfirth] |
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