The urinary meatus also known as the external urethral orificeis the opening of the urethra. It is the point where urine exits the urethra in males and in females, and also where semen exits the urethra in males. The meatus has varying degrees of sensitivity to touch.
Meatal stenosis is most common in children and occurs when the meatus, the opening of the penis that drains urine from the bladder, is narrowed. This occurs when irritation leads to abnormal tissue growth and scarring across the opening of the urethra. The narrow meatus obstructs urine flow causing an upward deflected or messy spraying of urine, rather than a normal stream.
A urethral u-REE-thrul stricture involves scarring that narrows the tube that carries urine out of your body urethra. A stricture restricts the flow of urine from the bladder and can cause a variety of medical problems in the urinary tract, including inflammation or infection. Urethral stricture care at Mayo Clinic.
The meatus mee-AY-tis is the opening in a boy's penis where the urine pee comes out. In meatal stenosis mee-AT-ul steh-NO-sisthe meatus is too small. Meatal stenosis happens when irritation causes a scar at the meatus. This makes the opening smaller.
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In boys the meatus is the opening through which urine passes. Sometimes, particularly in circumcised boys, irritation of the tip of the penis causes scar tissue to form around the meatus, making it smaller. Meatal stenosis is relatively rare.
In meatal stenosis the meatus, or opening at the tip of the penis, becomes narrower. This condition can be present at birth or it can occur later in life, usually between ages three and seven. Meatal stenosis is almost always seen in males who have been circumcised. Circumcision is the surgical removal of the foreskin over the tip of the penis.
Urethral stricture is a narrowing of the urethra. The urethra is the canal that carries urine from the bladder through the penis and out the urethral meatus the opening at the tip of the penis during urination. The most common cause appears to be chronic inflammation or the development of scar tissue.
Hypospadias pronounced hype-oh-spay-dee-us is a birth defect in boys where the opening of the urethra the tube that carries urine from the bladder to the outside of the body is not located at the tip of the penis. Click here to view a larger image. Hypospadias is a birth defect in boys in which the opening of the urethra is not located at the tip of the penis. In boys with hypospadias, the urethra forms abnormally during weeks 8—14 of pregnancy.