WebThe ureter is surrounded by two muscular layers, an inner longitudinal layer of muscle, and an outer circular or spiral layer of muscle. The lower third of the ureter has a third muscular layer. Beyond these layers sits an … WebAnatomy of the Bladder. The empty bladder is about the size and shape of a pear. It is located in the lower pelvic cavity. Urine drains from the kidneys into the bladder through the ureters. From the bladder, urine is excreted through a tube called the urethra.In women, this tube is about 1.5 inches long and exits the body at the upper aspect of the vaginal opening.
Urinary system: The Histology Guide - University of Leeds
Web12 apr. 2024 · The urinary bladder is supplied by branches of the internal iliac artery: the superior and inferior vesical arteries (in males). Note that the latter are replaced by vaginal arteries in females. Venous blood is conveyed by similarly named veins that accompany … Web18 sep. 2024 · Here, this diagram shows four distinct layers – tunica mucosa, submucosa, muscularis, and serosa. Here, in the tunica mucosa layer, you will find the numerous folds that line with transitional epithelium. You will also find the transitional epithelium in the … seat height over 22 gaming chair
Bladder Anatomy and Function - Verywell Health
Web12 apr. 2024 · Urethra. Definition: a duct of the urinary bladder which transports urine outside the body. Blood supply: inferior vesical and middle rectal arteries (in men), internal pudendal and vaginal arteries (in women); internal iliac veins. Innervation: vesical plexus and (in women) pudendal nerves. Clinical relations. WebWhen tobacco smoke is inhaled, the tar can form a sticky layer on the inside of the lungs. This damages the lungs and may lead to lung cancer, emphysema, or other lung problems. Tar damages your lungs by narrowing the small tubes (bronchioles) that absorb oxygen. WebThe junction between the bladder and urethra is opened and closed by a muscle known as a sphincter. When you decide you need to urinate your brain tells this sphincter to relax, opening the bladder-urethra junction. At this moment, the bladder contracts, forcing the urine down the urethra and out of the body. Back to top pub star wars