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

n. 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.

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

n. 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.

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

"Josep Dalmau, a neuro-oncologist at Penn, and his colleagues had published studies describing anti-NMDA receptor encephalitis, a rare reaction seen in young women to a common ovarian tumor called a teratoma, which is typically harmless."

tumour    neoplasm    tumor   

teratomatous   

seminoma    parenchyma    oncocytoma    rossa    chromophobe