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Prostate-specific antigen (PSA), also known as gamma-seminoprotein or kallikrein-3 (KLK3), P-30 antigen, is a glycoprotein enzyme encoded in humans by the KLK3 gene.PSA is a member of the kallikrein-related peptidase family and is secreted by the epithelial cells of the prostate gland in men and the paraurethral glands in women.
The test measures the amount of PSA, a protein that your prostate makes, in your blood, explains Richard Levin, M.D., a urologist and vice chief of staff of the medical executive committee at HCA ...
A digital rectal examination and the measurement of a prostate-specific antigen (PSA) level are usually the first investigations done to check for prostate cancer. PSA values are difficult to interpret, because a high value might be present in a person without cancer, and a low value can be present in someone with cancer. [28]
The tertiary sex ratio is equivalent to the adult sex ratio (ASR), which is defined as the ratio of adult males to females in a population. [ 6 ] [ 7 ] The operational sex ratio (OSR) is the ratio of sexually active males to females in a population, and is therefore derived from a subset of the individuals included when calculating the ASR. [ 7 ]
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Pages in category "Human sex ratio" The following 10 pages are in this category, out of 10 total. This list may not reflect recent changes. ...
Sex ratio by country for total population. Blue represents more males than the world average of 1.07 males/females. (2020) The human sex ratio is the comparative number of males with respect to each female in a population. This is a list of sex ratios by country or region.
Pressure swing adsorption (PSA) is a technique used to separate some gas species from a mixture of gases (typically air) under pressure according to the species' molecular characteristics and affinity for an adsorbent material.