sebum
sebum An oily secretion of the sebaceous glands that helps to preserve the flexibility of the hair and retain moisture in the skin. Sebum is also secreted by the Meibomian glands of the eyes. See also gland, Meibomian.
sebum An oily secretion of the sebaceous glands that helps to preserve the flexibility of the hair and retain moisture in the skin. Sebum is also secreted by the Meibomian glands of the eyes. See also gland, Meibomian.