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.
Urethral Stricture. The urethra is the tube that drains urine from the bladder to the outside of the body. In boys, the urethra starts at the lower portion of the bladder and continues through the penis. A urethral stricture is a narrowing in the urethra.This narrowing makes it difficult for urine to drain out.The narrowing may be congenital (present at birth) or the result of inflammation, injury, disease or prior surgery. 1  Pushing or straining with urination. urethral stricture is a narrowing in the urethra. This narrowing makes it difficult for urine to drain out. The narrowing may be congenital (present at birth) or the result of inflammation, injury, disease or prior surgery.