integument
• all types are thin with occasional caliber irregularities
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• hair is thin and forms in small hair bulbs
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• normal thinning of epidermis and formation of the hair canals in the stratum at 6 or 7 days is delayed up to 5 days
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• hair has angora-like softness
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• small hair bulbs result in kinks and irregularities of hair shafts
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• abnormal at birth
• cells of stratum germinativum are abnormally flattened with more distinct cell boundaries
• thinning of epidermis and formation of the hair canals in the stratum at 6 or 7 days are delayed up to 5 days
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