NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,408 terms related to cancer and medicine.

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corpus cavernosum
(KOR-pus KA-ver-NOH-sum)
One of two columns of spongy tissue that runs through the shaft (body) of the penis. The corpus cavernosum forms most of the penis and contains blood vessels that fill with blood to help make an erection.