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40
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Text
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Pages
628–632
Issue
6
Volume
19
Dublin Core
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Title
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Origins of spondyloarthropathy in Perissodactyla.
Publisher
An entity responsible for making the resource available
Clinical and experimental rheumatology
Date
A point or period of time associated with an event in the lifecycle of the resource
2001
2001-12
Subject
The topic of the resource
Animals; *Fossils; *Paleopathology; *Perissodactyla; Horse Diseases/history/*pathology; Horses; North America; Sacroiliac Joint/pathology; Spine/pathology; History; Ancient; Animal; Disease Models; Spondylitis; Ankylosing/history/*pathology
Creator
An entity primarily responsible for making the resource
Rothschild B M; Prothero D R; Rothschild C
Description
An account of the resource
OBJECTIVE: Spondyloarthropathy has clearly been documented as not limited in occurrence to humans. Transmammalian in nature, it is of interest to understand the antiquity, and perhaps the origins, of this disorder in animal groups sufficiently represented in the skeletal record. METHODS: Fossil and recent skeletons of perissodactylae from North America were systematically examined to determine the occurrence and population frequency of spondyloarthropathy. RESULTS: Spondyloarthropathy was the most common form of arthritis recognized in the extant and fossil records. Common in extinct families such as Brontotheriidae and Chalicotheriidae, a progressive increase in the frequency of spondyloarthropathy was observed through geologic time in Equidae and Rhinocerotidae. CONCLUSION: Erosive arthritis of the spondyloarthropathy variety is now documented as not only persisting in Perissodactyla, but as actually increasing significantly in frequency (3-6 fold). Given the unusual evolutionary penetrance of this "disease," the possibility must be considered that its persistence provides evidence for some unknown benefit to the affected host.
Rights
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Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
*Fossils
*Paleopathology
*Perissodactyla
2001
Ancient
Animal
Animals
Ankylosing/history/*pathology
Clinical and experimental rheumatology
Disease Models
History
Horse Diseases/history/*pathology
Horses
North America
Prothero D R
Rothschild B M
Rothschild C
Sacroiliac Joint/pathology
Spine/pathology
Spondylitis