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vernix caseosa


Definition: the fatty cheesy substance, consisting of desquamated epithelial cells, lanugo downy (hairs), and sebaceous matter, which covers the skin of the fetus forming a waterproof cover that helps to resist maceration of the fetus by amniotic fluid.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.