Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • abbr. prostate-specific antigen
  • abbr. public service announcement

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • Prostate-Specific Antigen
  • Public Service Announcement

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a protein manufactured exclusively by the prostate gland; PSA is produced for the ejaculate where it liquifies the semen and allows sperm cells to swim freely; elevated levels of PSA in blood serum are associated with benign prostatic hyperplasia and prostate cancer

Etymologies

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