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.
Causes of blocked fallopian tubes. The most common cause of blocked fallopian tubes is  inflammatory infection, including pelvic inflammatory disease (PID), STDs and endometriosis. These infections cause scar tissue and adhesions to build up on the walls and thereby block the fallopian tubes. Other potential causes of blocked fallopian tubes include: History of uterine infection caused by an abortion or miscarriage; History of abdominal surgery; Previous ectopic pregnancy; Prior surgery involving the fallopian tubes such as a tubal ligation (âgetting your tubes tiedâ) or tubal ligation reversal. Symptoms of blocked fallopian tubes. Most instances of blocked ...