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okokok1
the choice "decreased number of epidermal melanocytes" is vitiligo.
+7
fatboyslim
@okokok1 isn't vitiligo immune destruction of melanocytes (choice C)? Maybe it's both. Since if you destroy the melanocytes you will have fewer numbers of them in the epidermis?
+
In the same vein, a darker-skinned person would have an increased number of melanosomes. BUT the SAME number of melanocytes and melanophages as a lighter-skinned person.
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topgunber
tyrosinase.
tyrosine hydroxylase would make L-dopa
+2
sabrooza
It is Tyrosinase deficiency not (Tyrosinase hydroxylase )
+1
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submitted by โokokok1(38)
Albinism: Normal melanocyte number with DECREASED melanin production due to decreased tyrosinase activity or defective tyrosine transport. risk of skin cancer.