sebaceous cyst

Found in Anh - Anh (Wordnet)

Definition Noun : A sebaceous cyst is a common, non-cancerous, closed sac or lump beneath the skin. It is filled with a soft, cheese-like, fatty material called sebum, which is an oily substance normally secreted by sebaceous glands to lubricate the skin and hair. This type of cyst forms when the duct of a sebaceous gland becomes blocked. Usage The term is used in medical and general contexts t...