One of the reasons booking with Hotels.com is very attractive to me is because you can earn 3 Ultimate Rewards points per dollar spent through the Chase Ultimate Rewards shopping portal. (This earning ratio changes monthly and has been as high as 4 points and as low as 2 points in the recent past).
prostate specific antigen, PSA (noun). 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.see more on Definitions.net Â». 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. see more on Definitions.net Â».
PSA is a protein produced by prostate cells, which keeps semen in liquid form so that sperm can swim. A simple blood test can measure how much PSA is present in a manâs bloodstream. When a man has prostate cancer, his PSA level increases, which is why the PSA test is used as a screening tool.