integument
• thin, short hairs
|
short hair
(
J:99486
)
• at 3 days of age, the hair shafts are narrow and immature
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• by 5 days of age hair medulla is disorganized
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• although normal at birth, at 3 days of age homozygotes have abnormal hair follicles with small hair bulbs
• at 5 days of age the abnormal hair follicles are also shorter in length and have a reduced number of matrix cells
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• reduced number of matrix cells by 5 days of age
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• small hair bulbs at 3 days of age
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• at 5 days of age the inner root sheath is decreased in thickness
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• by 3 days of age the hair follicles lack uniform orientation
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• at 5 days of age the outer root sheath is increased in thickness
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