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PSA

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  1. prostate specific antigen: a protein, produced by the prostate, elevated levels of which may indicate the presence of cancer.

Ps.

or Psa

  1. Psalm; Psalms.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for psa

PSA

abbreviation for
  1. prostatic specific antigen: an enzyme secreted by the prostate gland, increased levels of which are found in the blood of patients with cancer of the prostate
  2. (in New Zealand) Public Service Association

Ps.

Psa.

abbreviation for
  1. Psalm
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

psa in Science

PSA

  1. Abbreviation of prostatic-specific antigen
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.