Assertion: specific antigen | /r/CreatedBy | the prostate gland
Facets:
value: almost exclusively
type: DEGREE
Source sentences:
text: Prostate-specific antigen (PSA, also known as kallikrein III, seminin, semenogelase, γ-seminoprotein and P-30 antigen) is a 34-kD glycoprotein produced almost exclusively by the prostate gland.
text: Prostate-specific antigen, or PSA, is a protein produced by the prostate gland that may be found in elevated levels in the blood when a person develops certain diseases of the prostate, notably prostate cancer .