PSA

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PSA

abbr.
1. prostate-specific antigen
2. public service announcement

PSA

abbreviation for
1. (Biochemistry) 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. (Social Welfare) (in New Zealand) Public Service Association

PSA

prostate specific antigen: a protein, produced by the prostate, elevated levels of which may indicate the presence of cancer.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.PSA - 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
protein - any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes; "a diet high in protein"
Translations

PSA

abbr prostate-specific antigen. V. antigen.
References in classic literature ?
Thorndike, unaccustomed to cross the pavement to his office unless escorted by bank messengers and plain-clothes men, felt the room growing rapidly smaller; the figure of the truculent Greek loomed to heroic proportions.
I admired them, had fancies about them, for we could all profit in a degree, especially when they loomed through the dusk, by the grandeur of their actual battlements; yet it was not at such an elevation that the figure I had so often invoked seemed most in place.
But though the green palmy cliffs of the land soon loomed on the starboard bow, and with delighted nostrils the fresh cinnamon was snuffed in the air, yet not a single jet was descried.
Before them there loomed an enormous granite pile, set far back from the street, and occupying a whole block.
The vast castle loomed black upon the hilltop, not a spark visible about it.
I looked before me, towards the end of the cleft; there also loomed the plumes of warriors, and in their hands was a hedge of spears.
First she loomed before me like a blot of something yet blacker than darkness, then her spars and hull began to take shape, and the next moment, as it seemed (for, the farther I went, the brisker grew the current of the ebb), I was alongside of her hawser and had laid hold.
An hour before dark the great walls of the atmosphere plant loomed suddenly before me, and with a sickening thud I plunged to the ground before the small door which was withholding the spark of life from the inhabitants of an entire planet.
He wanted to fight, yet his reason made it all too plain that it would be but a foolish sacrifice of his life to meet these armed men with his naked hands and his teeth--already the boy thought of his teeth, of his fighting fangs, when possibility of combat loomed close.
The minarets of the town loomed above the houses in the pale rays of the sun.
A colossal figure, carved apparently in some white stone, loomed indistinctly beyond the rhododendrons through the hazy downpour.
Then suddenly, as we approached Kew, came a number of people running, and the upperworks of a Martian fighting- machine loomed in sight over the housetops, not a hundred yards away from us.