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.
Strictures that happen in the first 1 to 2 of the urethra that urine passes through are called posterior strictures. In males, the final 9 to 10 of the urethra is called the anterior urethra. The anterior urethra includes: 1  the bulbar urethra (under the scrotum and perineum-the area between the scrotum and anus).trictures that happen in the first 1 to 2 of the urethra that urine passes through are called posterior strictures. In males, the final 9 to 10 of the urethra is called the anterior urethra. The anterior urethra includes: 1  the bulbar urethra (under the scrotum and perineum-the area between the scrotum and anus).