Polar bears are excellent swimmers and they will travel long distances between shore and the sea ice if necessary. However, if a storm kicks up during these increasingly long swims (caused by the warming ocean) they can drown. These long swims and storms are also often difficult for cubs.
A urethral stricture is an abnormal narrowing of the urethra that slows or blocks the stream of urine exiting the body.The urethra is part of your urinary system, which is also known as the urinary tract. urethral stricture is an abnormal narrowing of the urethra that slows or blocks the stream of urine exiting the body.
The Complications of stricture disease are: 1  urethral discharge. 2  urinary tract infection. 3  cystitis (inflammation of the bladder)  chronic prostatitis (inflammation of the prostate gland) or epididymitis (inflammation of the epididymis, a system of ducts that stores the sperm during 1  maturation). abscess in tissue surrounding the urethra.