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Definition of Chordoma

Chordoma: A benign tumor, usually in the lower back, that originates from cells destined to form cartilage. These cells are remnants of the primitive notochord, the flexible rod of cells in the embryo that forms the supporting axis of the body. Chordomas induce bone destruction.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=2718
Last Editorial Review: 3/19/2012

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