essential tremor hereditary type 1
essential tremor hereditary type 1An autosomal dominant condition (OMIM:190300) characterised by postural tremor of the arms and often also of the head, legs, trunk, voice, jaw and facial muscles, typically aggravated by emotion, hunger, fatigue and temperature extremes, which may cause a functional disability or even incapacitation. ETM1 is the most common movement disorder.
Polymorphisms of DRD3, which encode dopamine receptor D3, cause essential tremor hereditary type 1.
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