teratoma

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English - English
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

What is a teratoma?’ asked Jack, holding the object in his hand. ‘A kind of grenado?’ ‘It is an inward wen, a tumour: we find them, occasionally, in the abdominal cavity. Sometimes they contain long black hair, sometimes a set of teeth: this has both hair and teeth.’.

a tumor consisting of a mixture of tissues not normally found at that site
A tumor, sometimes found in newborn children, which is made up of a heterigenous mixture of tissues, as of bone, cartilage and muscle