Definition, Meaning & Synonyms
psa
noun
/ˌpiː ɛs ˈeɪ/

Definition
PSA stands for Prostate-Specific Antigen, a protein produced by cells of the prostate gland.

Examples
- Doctors often measure PSA levels to check for prostate problems.
- A high PSA level may indicate the need for further investigation.
- Routine PSA testing is common for men over the age of 50.

Meaning
It is mainly found in the blood of men and is used as a marker to screen for prostate health issues, including prostate cancer.

Synonyms
- None directly, but related terms include prostate antigen and cancer marker.