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.
There is a technique used in which a small tube is passed up into a vein either from the leg or the arm with a baloon at the end. This is inflated once it reaches the blockade to open it up. Angioplasty is the mechanical widening of a narrowed or totally obstructed blood vessel. surgical procedures: PTCA-percutaneous transluminal coronary angioplasty: a catheter with a balloon tip is inserted to compress the plaque against the wall of the artery and dilate the vessel. laser angioplasty to vaporise the plaque