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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 PSA
 問題陳述分析程式

From: WordNet (r) 2.0

 PSA
      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 [syn: {prostate
          specific antigen]