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Melanocytes are specialised cells that produce melanin. Melanin
produces pigment, a colour, which is found in the skin, hair and in the iris of the eye.
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What are yellow plant pigments called?
The yellow pigment in plants is Xenthophyll.
What does hyposecretion of cortisol cause?
symptoms of cortisol secretion arepoor responce to stresshypoglycaemiahyperpigmentation of skin from excessive adenocorticotropic hormone (ACTH) which binds with melonocytes stimulating hormone (MSH) causes darkness of skin.
How can vitiligo be prevented?
When we see a person with vitiligo we must determine the evolutionary phase. We divide it in 5 phases (rapidly worsening, slowly worsening, stable for less than 1 year, stable for more than 1 year, and improving spontaneously). If it is rapidly worsening there is a good indication to use oral medications. If it is slowly worsening it is usually unnecessary except if the hands and/or the feet are involved. In these areas it is very important to stop the progression as soon as possible. It is very important to remember that the worsening phase lasts about 1 year (from 6 months to 1 year and a half). When you use a medication to stop the appearance of new spots it doesn't interrupt the phase. If you stop the medication before the phase fades away new spots can appear. The death of melanocytes is progressive. Treating the vitiligo as soon as possible you turn the repigmentation faster because you will still have melanocytes in epidermis and in the hairs.
