安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Urethra - Wikipedia
The urethra is the vessel through which urine passes after leaving the bladder During urination, the smooth muscle lining the urethra relaxes in concert with bladder contraction(s) to forcefully expel the urine in a pressurized stream
- Urethra: Location, Anatomy, Function Conditions - Cleveland Clinic
The urethra is a passageway located in your body’s pelvic region The walls of the tube are thin and made up of epithelial tissue, smooth muscle cells and connective tissue The urethra has two different types of sphincters, or muscles that act as valves that open or close
- Urethra: Anatomy, Function, and Treatment - Verywell Health
The urethra is a tube through which urine exits the body The urethra is shorter in females and opens between the clitoris and vagina In males, the urethra is longer, passing through the shaft of the penis and opening at the tip of the penis
- The Urethra - Male - Female - Anatomical Course - TeachMeAnatomy
The urethra is the vessel responsible for transporting urine from the bladder to an external opening in the perineum It is lined by stratified columnar epithelium , which is protected from the corrosive urine by mucus secreting glands
- Urethra | Definition, Function, Facts | Britannica
Urethra, duct that transmits urine from the bladder to the exterior of the body during urination The urethra is held closed by the urethral sphincter, a muscular structure that helps keep urine in the bladder until voiding can occur
- Urethra - Anatomy, Diagram, Structure, Function, Location
The urethra is a vital structure in the urinary system, differing significantly in length, structure, and surrounding anatomy between males and females [4] It consists of specialized tissue layers that support its role as a conduit for urine (and semen in males)
- Urethra - Kidney and Urinary Tract Disorders - Merck Manual Consumer . . .
The urethra is a tube that drains urine from the bladder out of the body In men, the urethra is about 8 inches (20 centimeters) long, ending at the tip of the penis In women, the urethra is about 1 5 inches (4 centimeters) long, ending at the vulva (the area of the external female genital organs)
|
|
|