Canadian Medical Guide > Diseases > Nutritional and Metabolic Diseases > Metabolic Diseases > Ochronosis Terms and Definitions




Ochronosis

Medical Definition: A disease in which the metabolic products of phenylalanine and tyrosine accumulate, resulting in the deposition of HOMOGENTISIC ACID (a brown-black pigment) in the connective tissue. It occurs in ALKAPTONURIA, but has also been observed in connection with exposure to certain chemicals (e.g., phenol, trinitrophenol, benzene derivatives).

Ochronosis Medical Definitions and Terms

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