Definition: A sebaceous cyst is a closed sac occurring just under the skin which contains a "pasty" or "cheesy" looking substance. A foul odor is also often present in the substance called keratin which fills sebaceous cysts. Keratin is a protein that creates the sac of cells called sebaceous cysts. You may feel small bumps or lumps under your skin which are the sac of cells created by the keratin.
Also Known As: epidemal cysts
Common Misspellings: sabaceous cysts, sabasious cysts
Examples:
The doctor told me the small bumps I felt under the skin near my vagina was a sebaceous cyst.
