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.
The definition of foreboding is someone or something that implies something bad or dangerous will occur. An example of foreboding is dark clouds that suggest rain is likely. Foreboding is defined as a feeling or premonition that something bad is going to occur. An example of foreboding is a feeling of unease and a worry that imminent danger is about to occur.