chordoma
Pronunciation: kōr-dō′mă
Definition: A rare neoplasm of skeletal tissue in adults, derived from persistent portions of the notochord; composed of cells arranged in lobules, with abundant myxoid stroma; some cells contain vacuoles that resemble soap bubbles (physaliphorous cells); most frequently in the region of the clivus or lumbar-sacral cord.
[(noto)chord + G. -oma, tumor]
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