sachs disease
Definition
Noun: A rare, fatal, hereditary disorder of lipid metabolism, most prevalent in individuals of Ashkenazi Jewish descent. It is characterized by the accumulation of harmful quantities of lipids (specifically gangliosides) in the nerve cells of the brain and spinal cord, leading to progressive neurological deterioration and typically death in early childhood.
Usage
This term is used exclusively as a medical noun to name the specific genetic condition. * Tay-Sachs disease is inherited in an autosomal recessive pattern. * The screening program aims to identify carriers of the gene for Tay-Sachs disease. * Research into treatments for Tay-Sachs disease is ongoing.
Advanced Usage
- The term is often used in the full form "Tay-Sachs disease", named after British ophthalmologist Warren Tay and American neurologist Bernard Sachs.
- In medical and genetic counseling contexts, it is frequently discussed in relation to carrier screening and prenatal diagnosis.
Variants and Related Words
- Tay-Sachs disease (n): The full and most common name for the disorder.
- GM2 gangliosidosis, Type 1 (n): The broader biochemical classification of the disease.
- Hexosaminidase A deficiency (n): Refers to the specific enzymatic defect that causes the disease.
Synonyms
- Infantile amaurotic familial idiocy (n, historical/archaic term): An older, now largely deprecated name for the condition.
Related Phrases
- Tay-Sachs carrier (n): An individual who possesses one copy of the mutated gene and can pass it to their offspring but does not have the disease.
- Tay-Sachs screening (n): A test to determine if an individual is a carrier of the genetic mutation.
Noun
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a hereditary disorder of lipid metabolism occurring most frequently in individuals of Jewish descent in eastern Europe; accumulation of lipids in nervous tissue results in death in early childhood
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