Anatomy of the urethra

Here we briefly discuss normal penile anatomy and vasculature as well as outline anatomic considerations when performing stricture assessment and surgical reconstruction. It extends downward through the muscular area of the pelvic floor.

Anatomy of the urethra Prepared by Kamal SAlih 2.

Anatomy of the urethra. Fig 1 Coronal section of the penis showing the three parts of the urethra. According to the latest classification the male urethra can be divided anatomically into three parts proximal to distal. Begins as a continuation of the bladder neck and passes through the prostate gland.

The urethral meatus has the shape of a 56 mm anteroposterior slot which opens into the vaginal vestibule approximately 2 cm below the clitoris. The female urethra is located under the pubic symphysis and is embedded in the anterior wall of the vagina in its distal two-thirds Gosling et al 1983. Its direction is obliquely forward and downward and it is slightly curved with the.

The male urethra is a pelvic urinary organ that functions primarily as a connecting cord which transports urine from the urinary bladder to the exterior. On the superior end of the bladder is a pair of 25-30 cm long muscular tubes the ureters which also connect and fills the bladder with urine formed in the kidneys. In anatomy the urethra from greek οὐρήθρα ourḗthrā is a tube that connects the urinary bladder to the urinary meatus for the removal of urine from the body of both females and males.

The primary function of the urethra is to transport urine from the bladder to the tip. The urethra is a tube that conveys urine from the urinary bladder to the outside of the body. Its wall is lined with mucous membranes and contains a relatively thick layer of smooth muscle tissue.

It also contains numerous mucous glands called urethral glands. Anatomy of the urethra 1. Anatomy of the urethra Prepared by Kamal SAlih 2.

The female urethra is about 4 cm long passing from the neck of the bladder at the lower angle of the trigone to the external urethral meatus which is in front of the vaginal orifice and 25 cm behind the clitoris. The urethra is the excretory canal of the urinary bladder. It conveys urine from the urinary bladder to outside the body.

It extends from the internal urethral orifice of the bladder to the external urethral orifice of the external genitalia. The course of urethra is different between males and females. The urethra anatomy term someone gave to this part of the urethra is fossa navicularis.

Sometimes male urethra anatomy terms are easy like penile urethra but occasionally there are more complicated words like fossa navicularis. The arterial supply to the female urethra is from the urethral artery a branch of the internal pudendal artery which in turn is a branch of the internal iliac artery 8. The venous drainage is via the pelvic venous plexus.

The male urethra measures on average 18-20 cm in length. It commences at the internal urethral orifice in the trigone of the bladder and opens in the navicular fossa of the glans penis at the external urethral meatus which is the narrowest part of the urethra. The male urethra can be divided into anterior and posterior portions.

Anatomy and function of the female urethra The female urethra begins at the bottom of the bladder known as the neck. It extends downward through the muscular area of the pelvic floor. For the anatomy of the urethra it originates from the bladder neck and ends at the meatus on the glans penis.

The length of the urethra varies between males but it ranges between 15-25 cm with an S curved shape when viewed from the sides. Anatomists divide the urethra into 3 segments. 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. Learn more about the urethra in this article. Urethra duct that transmits urine from the bladder to the exterior.

The male urethra connects the urinary bladder to the penis. Once the bladder becomes full urine flows through the urethra and leaves the body at the urethral meatus which is located at tip of. The urethra is a hollow tube that consists of several layers and plays an important role in the bodily function of expelling urine from the body.

This tube is 4851 centimeters long and is the end of the vital urinary tract. The urinary tract is comprised. A close knowledge of blood supply as well as the normal anatomic course of the urethra can have significant implications regarding surgical outcome.

Here we briefly discuss normal penile anatomy and vasculature as well as outline anatomic considerations when performing stricture assessment and surgical reconstruction. In this image you may find Urethra Opening Anatomical Location In Female Reproductive System. The female urethra is embedded within the vaginal wall and its opening is situated between the labiaThe female urethra is much shorter than that of the male being only 4 cm 15 inches longIt begins at the bladder neck and opens to the outside just after passing through the urethral sphincter.

Urethra Function and Structure. In females the main urethra functions are the transportation of urine out of the body prevention of urine reflux and protection against pathogenic bacteriaIn males the urethra has four functions the expulsion of urine the expulsion of sperm the prevention of either of these fluids from traveling back into the lower urinary tract and protection. URETHRA A tubular structure emerging from the neck of bladder and opens to the exterior It is outlet of bladder eliminates urine to outside Present in both male female but there are some differences bw the two.

DifferenceMale urethra 1 Long 2 Length 18- 20 cm 3 Function i urination ii ejaculation of semen 4.