teratoma

A tumor consisting of different types of tissue, as of skin, hair, and muscle, caused by the development of independent germ cells.

A complex congenital tumor, often containing very many different tissues, as skin, hair, teeth, connective tissue, cartilage, bone, muscles, and glands: most frequently found at the lower end of the spine, about the head and neck, and in the generative organs. Also called teratoid tumor.

A tumor, sometimes found in newborn children, which is made up of a heterigenous mixture of tissues, as of bone, cartilage and muscle.

A benign or malignant tumour, especially of the gonads, that arises from germ cells and consists of different types of tissue such as skin, hair, or muscle.

a tumor consisting of a mixture of tissues not normally found at that site