vitiligo. is a skin condition characterized by portions of the skin losing their pigment

addison anatomical anatomy arm autoimmune body calcineurin cancer care cell chronic closeup condition cytoplasm depigmentation dermatitis dermatology dermis diabetes disease disorder effect epidermis finger granules hair hand hashimoto health healthcare human illness illustration immune inhibitors keratinocytes leucopathia losing malpighian medical medicine melanin melanocyte melanocytes melanoma mellitus nail patches patient people phototherapy pigment pigmentation problem process processes protection science section sickness skin skincare steroids structure synthesis synthesized thyroiditis transferred treatment vector vitiligo white