Overview. Kidney stones are also known as calculi (plural), or calculus (singular). When it is in the kidney, it is a renal calculus. The tube draining the kidney to the bladder is the ureter, and a stone in the ureter is a ureteral calculus. It is estimated that 20% of us will have a kidney stone in our lifetime.
âIt wasn't long ago that sprayers were a niche product,â says Cory Venable, John Deere product manager. âNow they have become an essential product for effective crop production. More and more producers are seeing the value and return on investment that a self-propelled sprayer offers.
A semi-automatic rifle, also known as a self-loading rifle ('SLR') or auto-loading rifle, is a self-loading rifle that fires a single round each time the trigger is pulled. In contrast, a fully automatic rifle continuously fires rounds as long as the trigger is pressed and there is ammunition left.