Defect seen in Vitiligo is: September 2010
Ans. B: Absent melanocytes Vitiligo is a chronic disorder that causes depigmentation of patches of skin. It occurs when melanocytes, the cells responsible for skin pigmentation, die or are unable to function. The cause of vitiligo is unknown, but research suggests that it may arise from autoimmune, genetic, oxidative stress, neural, or viral causes.
Absent melanosomes
Absent melanocytes
Reduction in melanin synthesis
Reduction in number of melanocytes