Where is the bulbar urethra?
the bulbar urethra (under the scrotum and perineum- the area between the scrotum and anus) the penile urethra (along the bottom of the penis) the meatus (the exit at the tip of the penis)
What is the role and function of the urethra?
Urethra. This tube allows urine to pass outside the body. The brain signals the bladder muscles to tighten, which squeezes urine out of the bladder. At the same time, the brain signals the sphincter muscles to relax to let urine exit the bladder through the urethra.
What are the 3 parts of the urethra?
The male urethra is often divided into 3 segments on the basis of its investing structures: prostatic urethra, membranous urethra, and spongy (or penile) urethra. Male urethra and its segments. Other systems for naming the parts of the urethra have been described.
How many types of urethra are there?
Urethral Anatomy The urethra has 2 major divisions: The anterior and posterior urethra, each of which has 2 parts. The posterior urethra is composed of the prostatic and membranous portions, and the anterior urethra is composed of the bulbous and penile portions.
What is stricture bulbar urethra?
Bulbar urethral strictures are usually categorized as traumatic and non-traumatic strictures depending on the aetiology. The traumatic strictures are caused by trauma and they determine disruption of the urethra with obliteration of the urethral lumen, ending with fibrotic gaps between the urethral ends.
What does a urethral dilator do?
Urethral dilation is a procedure to stretch the sides of the urethra. The urethra is the tube that carries urine from your bladder to outside your body. Sometimes scar tissue narrows the urethra. This is called urethral stricture.
Is urethra male or female?
The female urethra is embedded within the vaginal wall, and its opening is situated between the labia. The female urethra is much shorter than that of the male, being only 4 cm (1.5 inches) long. It begins at the bladder neck and opens to the outside just after passing through the urethral sphincter.
What is the pee hole called?
The urethral opening is the tiny hole that you pee out of, located just below your clitoris. The vaginal opening is right below your urethral opening. It’s where menstrual blood leaves your body, and babies are born.
What causes bulbar urethral stricture?
Bulbar urethral stricture can arise from a variety of causes but most commonly occurs when the urethra has been exposed to manipulation from e.g. a repeated treatment of brachytherapy (a form of prostate cancer treatment), prostatectomy, or from use of urethral catheters.
What are bulbourethral gland diseases?
The bulbourethral galnds are infront of the prostate and add fluid to the semen when you ejaculate. The glands can get infected and typically cause symptoms like a prostate infiction.
What are the parts of the male urethra?
The male urethra consists of three main parts – the prostatic urethra, the membranous urethra and the spongy or penile urethra.
What are the segments of the urethra?
The four main segments of the male urethra are pre-prostatic urethra (0.5 – 1.5 cm), prostatic urethra (3 cm), membranous urethra (1 – 2 cm), and penile urethra (15 – 16 cm). Pre-prostatic urethra runs in front of the prostate while prostatic urethra runs through the prostate gland. The membranous urethra travels through the sphincter muscle.
What is posterior urethra?
The posterior urethra is the part of the urethra that travels through the prostate and the external sphincter valve. The relative location of the urethra within the spongiosum (erectile tissue that surrounds the urethra) changes along the divisions of the urethra. The anatomic location of the lumen (urethral cavity)…