prostate-specific antigen


n.

A protease secreted by the epithelial cells of the prostate gland. Serum levels are elevated in patients with benign prostatic hyperplasia and prostate cancer.

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Scientific definitions for prostate-specific antigen

prostate-specific antigen

A protease secreted by the epithelial cells of the prostate gland. Blood levels are elevated in patients with prostate enlargement and prostate cancer and are used as a screening test for prostate cancer.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.