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Condition Treated / Urogenital System Conditions

Definition OF Urogenital System :

urogenital system, also called genitourinary system, in vertebrates, the organs concerned with reproduction and urinary excretion. Although their functions are unrelated, the structures involved in excretion and reproduction are morphologically associated and often use common ducts. The major structures of the urinary system in mammals are the kidneys, ureters, bladder, and urethra. The major structures of the reproductive system in males are the testes, sperm ducts, urethra, and penis; in females, they are the ovaries, fallopian tubes, uterus, and vagina.

How does the urinary system work?

The body takes nutrients from food and converts them to energy. After the body has taken the food that it needs, waste products are left behind in the bowel and in the blood.

The urinary system keeps chemicals, such as potassium and sodium, and water in balance, and removes a type of waste called urea from the blood. Urea is produced when protein, found in meat products, is broken down in the body. Urea is carried in the bloodstream to the kidneys, where it is removed.

Other important functions of the kidneys include blood pressure regulation and the production of erythropoietin, which controls red blood cell production in the bone marrow.

Urinary system parts and their functions:

• two kidneys - a pair of purplish-brown organs located below the ribs toward the middle of the back. Their function is to:
  • remove liquid waste from the blood in the form of urine.
  • keep a stable balance of salts and other substances in the blood.
  • produce erythropoietin, a hormone that aids the formation of red blood cells.
  The kidneys remove urea from the blood through tiny filtering units called nephrons. Each nephron consists of a ball formed of small blood capillaries, called a glomerulus, and a small tube called a renal tubule. Urea, together with water and other waste substances, forms the urine as it passes through the nephrons and down the renal tubules of the kidney.
  
  
• two ureters - narrow tubes that carry urine from the kidneys to the bladder. Muscles in the ureter walls continually tighten and relax forcing urine downward, away from the kidneys. If urine backs up, or is allowed to stand still, a kidney infection can develop. About every 10 to 15 seconds, small amounts of urine are emptied into the bladder from the ureters.
• bladder - a triangle-shaped, hollow organ located in the lower abdomen. It is held in place by ligaments that are attached to other organs and the pelvic bones. The bladder's walls relax and expand to store urine, and contract and flatten to empty urine through the urethra.
• two sphincter muscles - circular muscles that help keep urine from leaking by closing tightly like a rubber band around the opening of the bladder.
• nerves in the bladder - alert a person when it is time to urinate, or empty the bladder.
• urethra - the tube that allows urine to pass outside the body. The brain signals the bladder muscles to tighten, which squeezes urine out of the bladder. At the same time, the brain signals the sphincter muscles to relax to let urine exit the bladder through the urethra. When all the signals occur in the correct order, normal urination occurs.

Facts about urine:

• Adults pass about a quart and a half of urine each day, depending on the fluids and foods consumed.
• The volume of urine formed at night is about half that formed in the daytime.
• Normal urine is sterile. It contains fluids, salts and waste products, but it is free of bacteria, viruses and fungi.
• The tissues of the bladder are isolated from urine and toxic substances by a coating that discourages bacteria from attaching and growing on the bladder wall.

 

Urogenital System Conditions

From A-Z

• Chronic Nephrosis
• Edema
• Emission
• Infertility
• Prostatic Hyperplasia
• Prostatitis
• Prenature Ejaculation
• Urinary Stone
• Urinary Tract Infection
• Sexual Disorder
• Sexual Impotence