NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,138 terms related to cancer and medicine.

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epididymis
(eh-pih-DIH-dih-mis)
A narrow, tightly-coiled tube that is attached to each of the testicles (the male sex glands that produce sperm). Sperm cells (male reproductive cells) move from the testicles into the epididymis, where they finish maturing and are stored.