Glossary Kidney Stones / Renal Stones/ Renal Calculi - Gravel - Like collections of chemicals that may appear in any area of the urinary system. Hyperparathyroidism - Over activity of the parathyroid gland Inflammatory bowel disease -Inflammation of the bowel Cystine - Amino acid in the blood Ureteroscope - Operating telescope Published on Dec 03, 2014Last Updated on Dec 03, 2014