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Feather - Anatomy & Physiology (view source)
Revision as of 22:03, 4 August 2008
, 22:03, 4 August 2008no edit summary
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|backcolour = FFCCCC
|linkpage =Integumentary - Anatomy & Physiology
|linktext =INTEGUMENTARY SYSTEM
|maplink = Integumentary System (Content Map) - Anatomy & Physiology
|pagetype =Anatomy
}}
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==Introduction==
==Introduction==
Feathers are one of the epidermal growths that form the distinctive outer covering, or '''plumage''' of birds. They are the outstanding characteristic that distinguishes the Class '''Aves''' from all other living groups. Feathers ar grouped into feather ''tracts''.
Feathers are one of the epidermal growths that form the distinctive outer covering, or '''plumage''' of birds. They are the outstanding characteristic that distinguishes the Class '''Aves''' from all other living groups. Feathers ar grouped into feather ''tracts''.