Kidney stone disease to a combination of genetics and environmental factors. Risk factors include high urine calcium levels, obesity, certain foods, some medications, calcium supplements, hyperparathyroidism, gout and not drinking enough fluids. Stones form in the kidney when minerals in urine are at high concentration. The diagnosis is usually based on symptoms, urine testing, and medical imaging. Blood tests may also be useful. Stones are typically classified by their location: nephrolithiasis (in the kidney), ureterolithiasis (in the ureter), cystolithiasis (in the bladder), or by what they are made of (calcium oxalate, uric acid, struvite, cystine). In those who have had stones, prevention is
Bladder pipe word which in medieval Latin was frequently used also for the bagpipe. In the earliest illustrated forms of bladder pipe, such as the well-known example of the 13th century reproduced by Martin Gerbert from a manuscript at Sankt Blasien Abbey in the Black Forest, the bladder is unusually large, and the chanter (or melody pipe) has, instead of a bell, the carved head of an animal. At first the chanter was a straight conical tube terminating in a bell, as in the bagpipe. The later instruments have a pipe of larger calibre more or less curved and bent back as