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869 bytes added ,  18:55, 27 February 2011
[[Image:Hypervitaminosis A.jpg|right|thumb|100px|<small><center>Hypervitaminosis A (Image sourced from Bristol Biomed Image Archive with permission)</center></small>]]
*Main lesions:
**Injury to growth cartilage -> [[Bones - Anatomy & Physiology|premature closure of growth plate]]
**[[Bones Degenerative - Pathology#Osteoporosis (Atrophy)|Osteoporosis]]
**'''Exostoses'''
**[[Musculoskeletal Terminology - Pathology|Osteophyte]] formation in prolonged exposure
*In cats fed bovine liver for prolonged periods
**Rich in vitamin A in grazing animals
**Vertebrae fuse with each other due to bone proliferation - '''cervical spondylosis''' ('''ankylosing exostosis''' of the vertebral column), especially in the neck
*Can also be teratogenic, especially in pigs ([[Cleft Palate|cleft plate]] and abortions)

[[Category:Bones - Metabolic Pathology]]
[[Category:Toxicology]]
Author, Donkey, Bureaucrats, Administrators
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