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Pertaining to, or secreting, fat; composed of fat; having the appearance of fat; as, the sebaceous secretions of some plants, or the sebaceous humor of animals. Sebaceous cyst (Med.), a cyst formed by distention of a sebaceous gland, due to obstruction of its excretory duct. -- Sebaceous glands (Anat.), small subcutan…

A pustular affection of the skin, due to changes in the sebaceous glands.

the eyelids, consisting in chronic inflammation of the margins, with a gummy secretion of sebaceous matter. Dunglison.

An organ for secreting something to be used in, or eliminated from, the body; as, the sebaceous glands of the skin; the salivary glands of the mouth.

Of, pertaining to, or discovered by, Meibomius. Meibomian glands, the slender sebaceous glands of the eyelids, which discharge, through minute orifices in the edges of the lids, a fatty secretion serving to lubricate the adjacent parts.

Producing fat; sebaceous; as, the sebiferous, or sebaceous, glands.

A morbidly increased discharge of sebaceous matter upon the skin; stearrhea.

The matter secreted by any of the sebaceous glands. Specifically:

um, or prominence at the base of the tail feathers, in birds. Uropygial gland, a peculiar sebaceous gland at the base of the tail feathers in most birds. It secretes an oily fluid which is spread over the feathers by preening.

An indolent, encysted tumor of the skin; especially, a sebaceous cyst.