In females, the urethra is narrow and about 4 cm long, significantly shorter than in males. It extends from the bladder neck to the external urethral orifice in the vestibule of the vagina. In males, the urethra is about The male urethra is divided into three sections: the prostatic urethra the widest portion , the membranous urethra the narrowest portion , and the spongy urethra the longest portion.
It extends from the bladder neck through the prostate and the penis to the external urethral orifice. In men, both urine and semen pass out of the body through the urethra.
Download Urinary System Lab Manual. See more from our free eBook library. A description of the organs of the urinary system from the edition of Gray's Anatomy of the Human Body. The Body Online. Give It Up for the Kidneys. It is mostly made of muscle. It stores urine until you are ready to go to the bathroom to release it. The bladder helps you urinate. The brain tells it to tighten and force the urine out. Urine leaves the body through a hollow tube connected to the bladder. This tube is called a urethra.
Many body parts work with each other to form the Male Reproductive System. The purpose is for each part to work in the right order so a male can have sex. During sex, you may be able to fertilize a woman's ovum egg and make a baby. Not all men are able to have sex, even if their Male Reproductive System works right.
The testicles also known as testes are two golf ball size glands held in a sac scrotum below the penis. The testicles have a firm, slightly spongy feel. At the top and outside edge is a rubbery, tube-like structure called the epididymis. The firmness of the teste should be the same throughout. The size of the testicles should be about the same. Talk with your health care professional if you notice any of these signs.
You may be able to prevent a condition from becoming more severe if you get help early on. Do pelvic floor muscle exercises. Pelvic floor exercises, also called Kegel exercises , can keep your pelvic floor muscles strong and maintain healthy bladder and bowel function.
Both men and women can benefit from pelvic floor muscle exercises. The NIDDK conducts and supports clinical trials in many diseases and conditions, including urologic diseases.
The trials look to find new ways to prevent, detect, or treat disease and improve quality of life. Griffin P. Rodgers explaining the importance of participating in clinical trials. The NIDDK translates and disseminates research findings to increase knowledge and understanding about health and disease among patients, health professionals, and the public. Smith, M. How does urination occur? Why is the urinary tract important?
What affects the amount of urine you produce? How can you keep your urinary tract healthy? Clinical Trials What is the urinary tract? For example, white blood cells in the urine can be a sign of an infection. Pee also is a way for your body to keep the right amount of water. Did you ever notice that if you drink a lot, you pee more and the pee is pale yellow? That's because your body is getting rid of extra water and your pee has more water in it than usual.
Let's talk more about how the kidneys filter blood. When blood goes through the kidneys, water and some of the other stuff that is in blood like protein, glucose, and other nutrients go back into the bloodstream, while the waste and excess stuff is taken out.
Urine is what is left behind. But what is it exactly? Once pee is produced, it travels from the kidney to the bladder, where it's stored until you need to go to the bathroom. The bladder expands as it fills; when it's full, nerve endings in the bladder wall send a message to the brain that you need to pee.
When you're in the bathroom, ready to go, the bladder walls contract and the sphincter a ringlike muscle that guards the exit from the bladder to the urethra relaxes.
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