Huntington's chorea

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Definition

Noun A specific, hereditary neurological disorder characterized by the progressive degeneration of nerve cells in the brain. The disease typically manifests in mid-adulthood and leads to a triad of symptoms: involuntary jerking or writhing movements (chorea), cognitive decline, and psychiatric problems, ultimately resulting in dementia.

Usage and Examples
  • As a subject: " is caused by a genetic mutation on chromosome 4."
  • As an object: "The neurologist specializes in treating patients with ."
  • With a possessive: "The progression of varies from person to person."
Advanced Usage
  • The term is often used in medical, genetic, and neurological contexts to discuss disease mechanisms, inheritance patterns (autosomal dominant), and therapeutic research.
  • It can be used more broadly in bioethical discussions concerning genetic testing and predictive medicine due to its hereditary nature.
Variants and Related Words
  • Huntington's disease (HD): This is the more modern and comprehensive term, encompassing the full range of motor, cognitive, and psychiatric symptoms. "Huntington's chorea" specifically highlights the movement disorder aspect.
  • Chorea: A general medical term for the abnormal, involuntary dance-like movements that are a hallmark symptom of this and other conditions.
Synonyms
  • Huntington's disease (HD)
  • Hereditary chorea (less specific)
Notes on Meaning

The definition emphasizes three key components: 1. Hereditary: It is passed from parent to child via a faulty gene. 2. Adult-onset: Symptoms usually begin between ages 30 and 50. 3. Progressive and degenerative: It worsens over time, leading to severe physical and mental disability, including dementia.

Noun
  1. hereditary disease; develops in adulthood and ends in dementia

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