Donkey, Bureaucrats
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Feather - Anatomy & Physiology (view source)
Revision as of 09:26, 22 June 2011
, 09:26, 22 June 2011→Test yourself with the Integumentary System Flashcards
'''Fret marks''' (stress lines) appear as clear breaks in the feather colour as a result of interruption in feather growth and malformation of the feather barbs. Nutritional, environmental, disease or drug stresses can result in the production of 'fret marks'.
'''Fret marks''' (stress lines) appear as clear breaks in the feather colour as a result of interruption in feather growth and malformation of the feather barbs. Nutritional, environmental, disease or drug stresses can result in the production of 'fret marks'.
==Test yourself with the Integumentary System Flashcards==
{{Learning
|flashcards = [[Feather flashcards - Anatomy & Physiology|Feather Flashcards]]
[[Integumentary_System_- Anatomy & Physiology_-_Flashcards#Feather_Flashcards|Feather Flashcards]]
}}
==Links==
==Links==