These are generally pigment spot ocelli, which have some of their cells pigmented. In heavily pigmented lesions, dense aggregates of melanin can obscure histologic detail. These fish are characterized by uniformly pigmented eyes and translucent skin. Dermatologists divide birthmarks into two types&colon; pigmented birthmarks and vascular birthmarks. Freckles usually only occur in people with very lightly pigmented skin. Wood can be stained using dyes or pigmented finishes. Melanosomes are not in aggregated state in darkly pigmented skin compared to lightly pigmented skin. This produces a characteristic 9&colon;7 ratio of pigmented to unpigmented plants. The lighter shades of golden red are deeply pigmented and rich in colour. White Kermode bears are not albinos as they still have pigmented skin and eyes. Abnormally pigmented skin may persist for years. The procedure involved taking a thin layer of pigmented skin from the person's gluteal region. The only other mammals with pigmented enamel are the incisors of rodents. This results in selective photothermolysis of blood vessels, pigmented cells, or hair follicles. This is a disease that results in the formation of pigmented, cutaneous neurofibromas.