About The Medical Condition Deficiency Disease Hexosaminidase A

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Find the definition of the medical term Deficiency Disease Hexosaminidase A. Deficiency Disease Hexosaminidase A defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.

Deficiency Disease Hexosaminidase A

Deficiency Disease Hexosaminidase A Medical Condition Defined & Explained
Deficiency Disease Hexosaminidase A Medical Condition

What's The Definition Of The Medical Condition Deficiency Disease Hexosaminidase A?

An autosomal recessive inherited gangliosidosis characterized by the onset in the first 6 months of life of an exaggerated startle response, delay in psychomotor development, hypotonia (followed by spasticity), visual loss, and a macular cherry red spot. Hexosaminidase A (see BETA-N-ACETYLHEXOSAMINIDASE) is deficient, leading to the accumulation of GM2 ganglioside in neurons of the central nervous system and retina. This condition is strongly associated with Askenazic Jewish ancestory. (Menkes, Textbook of Pediatric Neurology, 5th ed pp89-96)

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