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High Quality Content by WIKIPEDIA articles! Ochronosis, often called alkaptonuric ochronosis, is an autosomal recessive metabolic disorder that causes an excess of homogentisic acid, resulting in adverse pigmentation, calcification, and inflammation of cartilaginous and related tissue throughout the body. The disorder is a result of incomplete metabolism of homogentisic acid, tyrosine and phenylalanine. The face, skeletal system, cardiovascular system, respiratory system, urinary system and to a lesser degree, the skin, are affected by this disease. Pigmented cartilage may appear blue due to a light scattering phenomenon (Tyndall effect), and to a lesser degree this may be true for skin with dermal deposition of this pigment. The skin of the axilla is very likely to be pigmented due to deposits of homogentisic acid in sudoriferous glands in these areas. ... Read more

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This digital document is an article from Journal of Drugs in Dermatology, published by Thomson Gale on January 1, 2006. The length of the article is 798 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.

Citation Details
Title: Exogenous ochronosis.(CASE REPORTS)
Author: M. Huerta Brogeras
Publication: Journal of Drugs in Dermatology (Magazine/Journal)
Date: January 1, 2006
Publisher: Thomson Gale
Volume: 5Issue: 1Page: 80(2)

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Information on many genetic disorders, and the frequent new findings on them, has been extremely difficult to come by—until now. The “Gale Encyclopedia of Genetic Disorders” addresses the need for current, hard-to-find facts on emerging discoveries. The two-volume Encyclopedia, presented in a single alphabetical sequence, provides clear, complete information on genetic disorders, including conditions, tests, procedures, treatments and therapies, in articles that are both comprehensive and easy to understand, in language accessible to laypersons. The articles are arranged in a standardized format for quick comparison and ease of use, while non-disorder topics are covered in detail with extended entries. Students will want to consult the “Gale Encyclopedia of Genetic Disorders” for useful information on a range of well known disorders, including Down Syndrome, Trisomy, Hemophilia and Tourette Syndrome, and rarely seen diseases such as Meckel Syndrome, Neuraminidase Deficiency and Phenylketonuria.