PSA

Facts (generated by robot; please edit if you find it inaccurate)

PSA is a protein normally made in the prostate gland in ductal cells.
PSA is released into a man's blood by his prostate gland.
The doctor takes a blood sample, and the amount of PSA is measured in a laboratory.
What is the cause of this furor? PSA is a serine protease, a glycoprotein secreted exclusively by the epithelial cells of the prostate and also in minute quantities by the periurethral glands.

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