A sebaceous cyst is a type of cyst that forms in the epidermis, the outermost layer of the skin. A sebaceous cyst is also sometimes called an epidermal cyst.It forms when a sebaceous gland, an oil-producing gland in the skin, becomes blocked.This creates a sac that fills with a fatty yellow substance that can resemble cottage cheese. sebaceous cyst is a type of cyst that forms in the epidermis, the outermost layer of the skin. A sebaceous cyst is also sometimes called an epidermal cyst.
Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Unbidden(adj) not bidden; not commanded. 2  Unbidden(adj) uninvited; as, unbidden guests. 3  Unbidden(adj) being without a prayer.
abend - Computer Definition. (ABnormal END) Pronounced ahb-end.. An unexpected termination that causes the computer to stop responding. An abend occurs either when the computer is presented with instructions or data it cannot recognize, or a program tries to address memory beyond a defined boundary. Abends are generally the result of erroneous software logic in the application or operating system (see anomaly).