prostate-specific antigen

noun
pros·tate-spe·cif·ic antigen

Definition of prostate-specific antigen 

: a protease secreted by epithelial cells of the prostate gland that is used in the diagnosis of prostate cancer since its concentration in blood serum tends to be proportional to the clinical stage of the disease abbreviation PSA

Examples of prostate-specific antigen in a Sentence

Recent Examples on the Web

The new research has reignited debate over screening for prostate cancer through prostate-specific antigen (PSA) tests. Washington Post, "The Health 202: How Democrats got a version of 'right to try' they like even less," 23 May 2018 Nevertheless, the new data immediately reignited long-running arguments over the use of screening through prostate-specific antigen, or PSA, tests. Laurie Mcginley, BostonGlobe.com, "After long decline, death rates from prostate cancer stop falling," 22 May 2018 But according to new research, prostate-specific antigen (PSA)-based screening for men in the 55 to 69 age group could prevent 1.3 deaths and 3 cases of cancer metastases for every 1,000 men screened. Mark Lieber, CNN, "Prostate cancer screening recommendations get rolled back by US task force," 8 May 2018 Consequently, more than half of those men with an elevated prostate-specific antigen do not actually have cancer, according to Hoffman. Mark Lieber, CNN, "Prostate cancer screening recommendations get rolled back by US task force," 8 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'prostate-specific antigen.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of prostate-specific antigen

1979, in the meaning defined above

Keep scrolling for more

Learn More about prostate-specific antigen

Share prostate-specific antigen

Resources for prostate-specific antigen

Statistics for prostate-specific antigen

Look-up Popularity

Time Traveler for prostate-specific antigen

The first known use of prostate-specific antigen was in 1979

See more words from the same year

Keep scrolling for more

More Definitions for prostate-specific antigen

prostate-specific antigen

noun

Medical Definition of prostate-specific antigen 

: a protease that is secreted by the epithelial cells of the prostate and is used in the diagnosis of prostate cancer since its concentration in the blood serum tends to be proportional to the clinical stage of the disease abbreviation PSA

More from Merriam-Webster on prostate-specific antigen

Britannica.com: Encyclopedia article about prostate-specific antigen

Comments on prostate-specific antigen

What made you want to look up prostate-specific antigen? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a generally accepted meaning of a word

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!