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.
A American Diabetes Association answered. Angioplasty, also called percutaneous coronary intervention (PCI) or balloon angioplasty, is a procedure used to remove a blockage in a blood vessel to the heart (coronary angioplasty) or the brain (carotid angioplasty). A small tube with a balloon attached is threaded into the narrowed or blocked blood vessel. Then the balloon is inflated, opening the narrowed artery. A wire mesh tube, called a stent, may be left in place to help keep the artery open. Angioplasty may be done during a heart attack.