Noun. 1. dark matter - (cosmology) a hypothetical form of matter that is believed to make up 90 percent of the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force.
Causes of Similar Symptoms to Acute prostate blockage like symptoms. Research the causes of these symptoms that are similar to, or related to, the symptom Acute prostate blockage like symptoms: Introduction.  conditions which cause acute symptoms similar to that when there is a blockage to prostate secretions. See detailed information below for a list of 1 causes of Acute prostate blockage like symptoms, including diseases and drug side effect causes. Â» Review Causes of  Causes.
Toxins found in the urine allow for bacteria to form that leads to prostate infection and the formation of prostate calcification. Prostate calcification, or prostate stones are believed to be a leading cause of chronic prostatitis and chronic pelvic pain syndrome. Prostate stones are fairly common in men over age 50, and affect up to 75% of middle-aged men who have enlarged prostate or prostate infection.