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 …
Urethra: Location, Anatomy, Function & Conditions - Cleveland Clinic
2022年5月5日 · The urethra is the tube that lets urine leave your bladder and your body. If you were assigned male at birth, your urethra passes through your prostate and into your penis. If …
Urethra: Anatomy, Function, and Treatment - Verywell Health
2024年5月23日 · 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 …
Female Urethra: Anatomy, Function, Diagram, Conditions, Health …
2018年6月1日 · The female urethra is a small tube that carries urine from the bladder to outside the body during urination. We’ll go over the structure and function of the female urethra and …
The Urethra - Male - Female - Anatomical Course
2019年11月14日 · 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 …
Urinary bladder & urethra: Anatomy, location, function - Kenhub
2016年11月3日 · The urethra is a muscular tube that serves as the excretory canal for the urinary bladder, responsible for conveying urine from the bladder to the exterior of the body. It extends …
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 …
Urethra - Definition, Function and Structure - Biology Dictionary
2020年10月27日 · The urethra is a hollow tube positioned between the urinary bladder and urinary meatus which takes urine stored in the bladder out of the body. Urethra length differs in …
Male urethra: Anatomy and function - Kenhub
2023年6月12日 · In males, the urethra is long, as it runs the length of the penis, and a part of the urinary system as well as the reproductive system. In females, the urethra is very short (about …
Renal system - Urine, Excretion, Bladder | Britannica
The urethra is the channel that conveys the urine from the bladder to the exterior. In the male it is about 20 centimetres long and carries not only the urine but also the semen and the secretions …