integument
• at 7 weeks of age, scanning electron microscopy (SEM) revealed structural alterations in hair coat morphology
• however, the skin appears grossly normal
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coarse hair
(
J:237330
)
• at 7 weeks of age, the surface of the proximal part of the vibrissae and the hairs on the entire length are irregular and rough and appear as if hammered
• in some cases, hairs are twisted
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rough coat
(
J:237330
)
• at 7 weeks of age, SEM analysis of back hair coat revealed that most hairs are rough with an irregular surface; this is noted in both thick and thin hairs
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• at 7 weeks of age, whisker morphology is altered to a lesser extent than hair coat morphology
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