Medical Definition of Vernix
Vernix: A white, cheesy substance that covers and protects the skin of a fetus. Vernix is still all over the skin of a baby at birth. Vernix is composed of sebum (skin oil) and cells that have sloughed off the skin of the fetus. More formally known as vernix caseosa.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/9/2016
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