Bladder outlet obstruction but still have normal renal architecture. This leads to a decrease in the number of nephrons, or functional units of the kidney. Malformation of kidney or bladder architecture. A dysplastic kidney is typically small for age and may contain cysts. A multicystic dysplastic kidney is an extreme example of renal dysplasia. Dilation of the renal pelvis, ureters, or both. Also called hydronephrosis. Kidneys and ureters located in incorrect position, including horseshoe kidney and ectopic ureters. Bladder outlet obstruction is classified based on where along the urinary tract the obstruction occurs, including upper urinary tract obstruction and lower urinary tract obstruction.
Bladder fiddle was used by traveling musicians. The drum, made of an inflated animal bladder or taut animal hide, is secured to the centre of a long stick. A thick string is then attached to each end of the stick, securing the bladder. It is usually played standing upright by drawing the bow over the string. A related instrument was preserved amongst the Pennsylvania Dutch (German immigrant to the rural Eastern United States), and is known as a boom-ba. In Venezuela, the bladder fiddle is known as "marimba, tarimba, guarumba, guasdua, and carangano". Bladder fiddle The bladder fiddle (also known as bumbass