Human (82 sources):
2-3 toe syndactyly,
Abnormal corpus callosum morphology,
Abnormal involuntary eye movements,
Abnormality of coordination,
Abnormality of vision,
Abnormal myelination,
Absent speech,
Ataxia,
Attention deficit hyperactivity disorder,
Atypical behavior,
Autism,
Autistic behavior,
Babinski sign,
Bilateral tonic-clonic seizure,
Brain atrophy,
Broad nasal tip,
Cerebral atrophy,
Clinodactyly of the 2nd toe,
Decreased fetal movement,
Delayed eruption of teeth,
Delayed speech and language development,
Depressed nasal bridge,
Developmental regression,
Downslanted palpebral fissures,
Drooling,
Dyskinesia,
EEG with multifocal slow activity,
Encephalopathy,
Facial palsy,
Failure to thrive,
Feeding difficulties,
Gastroesophageal reflux,
Generalized hypotonia,
Generalized non-motor (absence) seizure,
Global developmental delay,
High forehead,
Hyperactivity,
Hypodontia,
Hyporeflexia,
Hypsarrhythmia,
Impulsivity,
Intellectual disability,
Intellectual disability, moderate,
Intellectual disability, profound,
Intellectual disability, severe,
Involuntary movements,
Limb hypertonia,
Long palpebral fissure,
Long philtrum,
Macrocephaly,
Meckel diverticulum,
Mental deterioration,
Microcephaly,
Midface retrusion,
Mild neurosensory hearing impairment,
Moderate sensorineural hearing impairment,
Myoclonus,
Nystagmus,
Obesity,
obsolete Difficulty walking,
Optic atrophy,
Periorbital fullness,
Pes planus,
Poor head control,
Poor speech,
Ptosis,
Pyloric stenosis,
Reduced tendon reflexes,
Retinal degeneration,
Rigidity,
Seizure,
Shortening of all distal phalanges of the fingers,
Short stature,
Small for gestational age,
Spasticity,
Status epilepticus,
Thick lower lip vermilion,
Thin upper lip vermilion,
Tremor,
Unsteady gait,
Urinary incontinence,
Widened subarachnoid space
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