Bladder Anatomy Male
Detrusor muscle edit the detrusor muscle is a layer of the urinary bladder wall made of smooth muscle fibers arranged in spiral longitudinal and circular bundles. The prostate gland is part of the male reproductive system.
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Male Urethra Anatomy And Blood Supply Kenhub
Here we take a look at the gross anatomy function blood supply and innervation of the urinary bladder.
Bladder anatomy male. As the ureters two tubes that expel urine from the kidneys to the bladder fill the bladder the muscle wall thins and the bladder moves upward toward the abdominal cavity. In the upper urinary tract the two kidneys work separately to filter your blood by removing waste products and extra water that have entered your bloodstream. It is the size of a walnut and anatomically sits in front of the rectum and between the bladder and the penis.
In placental mammals a special duct the urethra leads from the urinary bladder to the exterior. In the membranous and spongy sections 2. Structure of the male urethra the mucous coat is continuous with the mucous membrane of the bladder ureters and kidney.
The prostate surrounds the urethra. Urine exits the bladder into the urethra which carries urine out of the body. The submucous tissue consists of a vascular ie.
Men and women have the same upper urinary tract but their lower urinary tracts are different. Containing many blood vessels erectile layer surrounded by a layer of smooth. The lower urinary tract contains the bladder and the urethra.
Sperm are generated in the testes. As is the case with most of the pelvic viscera there are differences between male and female anatomy of the urinary bladder and urethra. No sphincteric muscle present.
Because it passes through the penis the urethra is longer in men 8 inches than in women 15 inches. Anatomy of the male bladder showing transitional epithelium and part of the wall in a histological cut out. It is thought to prevent seminal regurgitation during ejaculation.
In females the urethra is separate from the genital tract. Females thought to be a functional sphincter ie. This stretching can increase the size of the bladder from about 2 inches to more than 6 inches long depending on the amount of liquid.
The urinary bladder and urethra are pelvic urinary organs whose respective functions are to store and expel urine outside of the body in the act of micturition urination. It fulfills the excretory function of the more primitive cloaca. Tubes called vasa deferens are conduits for sperm that move from the testes to the seminal vesicles.
It is formed by the anatomy of the bladder neck and proximal urethra. Male consists of circular smooth fibres which are under autonomic control. In males the vas deferens sperm carrying tubes empty into the urethra.
Take a closer look at parts of the urinary bladder anatomy in our atlas.
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