Powys is one of eight counties in Wales, over 2000 sq. m. in size, and consisting of the former counties of Montgomeryshire[?], Radnorshire[?] and Brecknockshire[?].
This county is named for the older Welsh kingdom of Powys, which occupied roughly the same area, which came to an end when it was absorbed into the kingdom of Gwynedd by Hywel Dda.
... stones through the urethra can be painful and subsequently it can lead to urethral strictures[?]
Endoscopy of the bladder via the urethra is called ...