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.
Urethroplasty is a surgery where the urethra is reconstructed to cure problems like urethral strictures. The types of surgeries are varied and depend upon the location, cause, and length of the stricture.hen patients return to clinic the bladder is filled with x-ray contrast and the catheter is gently removed. While x-rays are being taken, the patient voids and the area of the surgery is evaluated. If the area of surgery is healed, then the catheter is left out and patients begin to void normally.