Urethral Calculus, also known as calculus in urethra, is related to urinary tract infection and nephrolithiasis, calcium oxalate, 1. An important gene associated with Urethral Calculus is KLK3 (Kallikrein Related Peptidase 3), and among its related pathways/superpathways are Glyoxylate metabolism and glycine degradation and 4-hydroxyproline degradation. Affiliated tissues include kidney and prostate.