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Pigmentation Revisited

By: Peter T. Pugliese, MD
Posted: February 26, 2009, from the March 2009 issue of Skin Inc. magazine.

page 7 of 12

b Leptomeninges are two thin membranes that cover the brain. The term is used to refer to the pia mater and arachnoid mater, the former is on the brain surface and the latter is just above it.

c Blast cells are stem cells—early cells with division and differentiation potential.

d Antigenicity is the ability to elicit an immune response; that is, a reaction to a nonself protein.

e This is a very complex topic and relates to how the embryo and fetus must protect itself from the mother’s immune system. It relates to a lot of the cancer research in stem cells and immunogenicity.

f Melanocytes that are not in the skin do not transfer their melanosomes to other cells.