The Johnsville centrifuge rose to stardom at the beginning of Americaâs space program. It started operating with the training of pilots for the North American X-15 hypersonic aircraft and hit its stride with the Mercury manned spaceflight program.
Colonic angioectasia causes bleeding in the lower gastrointestinal tract. This presence is often associated with liver cirrhosis, chronic renal failure, and valvular heart disease.t is also used to separate two ideas.    In anatomy, the colon is in your large intestine, beginning at the  end of the small intestine and ending at the rectum.
Peripheral angioplasty. Peripheral angioplasty refers to the use of a balloon to open a blood vessel outside the coronary arteries. It is commonly done to treat atherosclerotic narrowings of the abdomen, leg and renal arteries caused by peripheral artery disease.