Medical Dictionary

milium

noun mil·i·um \ˈmil-ē-əm\
plural mil·ia \-ē-ə\

Medical Definition of MILIUM

:  a small pearly firm noninflammatory elevation of the skin (as of the face) due to retention of keratin in an oil gland duct blocked by a thin layer of epithelium—called also whitehead; compare blackhead 1

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