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Where is the external urethral sphincter located?
The external urethral sphincter is located around the urethra, which is the tube that carries urine from the bladder to outside the body. It is a voluntary muscle, meaning you have control over when you relax or contract it to release or hold urine.
Where is the external urethral sphincter located in males?
The external urethral sphincter in males is located at the base of the pelvis, surrounding the urethra just below the prostate gland. It is part of the urogenital diaphragm and helps control the release of urine from the bladder. This muscle plays a crucial role in voluntary urination and maintaining urinary continence.
Where is the location of the external urethral sphincter in the human male?
The external urethral sphincter in the human male is located at the base of the pelvis, surrounding the urethra as it passes through the urogenital diaphragm. It lies just below the bladder and above the perineum, playing a crucial role in controlling the release of urine from the bladder. This sphincter is composed of skeletal muscle, allowing voluntary control over urination.
What are the parts of Anus?
The anus is composed of two sphincter muscles: the inner sphincter, which is involuntary, and the external sphincter, which is under voluntary control.
What is the second type of sphincter?
The second type of sphincter is the internal anal sphincter, which is made up of smooth muscle and is not under voluntary control. It helps control the release of feces from the rectum into the anal canal.
Is the external urethral sphincter under voluntary control?
yes
Where is the external urethral sphincter located?
The external urethral sphincter is located around the urethra, which is the tube that carries urine from the bladder to outside the body. It is a voluntary muscle, meaning you have control over when you relax or contract it to release or hold urine.
Which nerve supplies the pelvic floor?
The pudendal nerve (part of the somatic nervous system, voluntary control) innervates the pelvic floor. It also innervates the external urethral sphincter; the internal urethral sphincter is innervated by the pelvic nerve (part of the parasympathetic nervous system, involuntary control).
Where is the external urethral sphincter located in males?
The external urethral sphincter in males is located at the base of the pelvis, surrounding the urethra just below the prostate gland. It is part of the urogenital diaphragm and helps control the release of urine from the bladder. This muscle plays a crucial role in voluntary urination and maintaining urinary continence.
What is the opening of the bladder is regulated by?
The opening of the bladder, known as the internal urethral sphincter, is regulated by the autonomic nervous system. Specifically, sympathetic nerves control its contraction, preventing urine from leaking, while parasympathetic nerves facilitate its relaxation during urination. Additionally, the external urethral sphincter, which is under voluntary control, allows for conscious regulation of urine flow.
Where is the location of the external urethral sphincter in the human male?
The external urethral sphincter in the human male is located at the base of the pelvis, surrounding the urethra as it passes through the urogenital diaphragm. It lies just below the bladder and above the perineum, playing a crucial role in controlling the release of urine from the bladder. This sphincter is composed of skeletal muscle, allowing voluntary control over urination.
What specific structural characteristic makes voluntary control of urination and defecation possible?
The specific structural characteristic that enables voluntary control of urination and defecation is the presence of external sphincters, such as the external urethral sphincter and the external anal sphincter. These are skeletal muscles that can be consciously contracted or relaxed, allowing individuals to control the release of urine and feces. Additionally, the neural pathways, including the somatic nervous system, play a crucial role in facilitating this voluntary control.
The internal urethral sphincter is composed of skeletal muscle whereas the external urethral sphincter the lower sphincter is composed of smooth muscle and thus is under involuntary control?
it is the opposite. The internal sphincter is composed of smooth muscles while the external one is composed of skeletal muscles
What are the parts of Anus?
The anus is composed of two sphincter muscles: the inner sphincter, which is involuntary, and the external sphincter, which is under voluntary control.
Which sphincter allows for defecation and is under voluntary control?
The external anal sphincter is under voluntary control. You have the urge to defecate because your internal anal sphincter involuntarily opens, but you can keep yourself from going to the bathroom because your external anal sphincter is voluntarily closed. Hope that helps!
Where is the internal urethral spinchter located?
The internal urethral sphincter is a smooth muscle located at the neck of the urinary bladder and surrounds the opening of the urethra. It helps in controlling the flow of urine from the bladder to the urethra.
Is your bladder a muscle?
Urinary bladder mainly contains two types of musces 1. Smooth muscles, forming the wall of the bladder ( Detrusor muscle ) and the internal urethral sphincter ( which controls the flow of urine which is involuntary ), and 2. Skeletal muscle, which forms the external urethral sphicter with which we can control the flow of urine.. ( voluntary control of flow )
