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How does the muscle of the internal anal sphincter differ from that of the external anal sphincter?
The internal urethral sphincter an involuntary sphincter that keeps the urethra closed when urine is not being used. The external urethral sphincter is fashioned by skeletal muscles as the urethra passes thorugh the pelvic floor.This sphincter is voluntary controlled.
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.
Is the Sphincter a voluntary muscle?
The anal sphincter and the bladder sphincter in potty trained children and in most other people whose spinal cords are intact or are not suffering from some diseases.
What nerves supply the innervation of the bladder and the internal sphincter?
The bladder is innervated by the parasympathetic fibers of the pelvic splanchnic nerves (S2-S4) which stimulate contraction of the detrusor muscle. The internal urethral sphincter is innervated by sympathetic fibers from the hypogastric nerve, which cause it to contract and prevent urine leakage.
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.
The voluntarily controlled sphincter fashioned by skeletal muscle at the point where the urethra passes through the pelvic floor is called the?
External Urethral Sphincter
What voluntary muscle delays urination?
external urethral sphincter
Is the external urethral sphincter under voluntary control?
yes
How does the muscle of the internal anal sphincter differ from that of the external anal sphincter?
The internal urethral sphincter an involuntary sphincter that keeps the urethra closed when urine is not being used. The external urethral sphincter is fashioned by skeletal muscles as the urethra passes thorugh the pelvic floor.This sphincter is voluntary controlled.
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.
Is the Sphincter a voluntary muscle?
The anal sphincter and the bladder sphincter in potty trained children and in most other people whose spinal cords are intact or are not suffering from some diseases.
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 happens for micturition to occur?
1) The detrusor muscle must contract 2) The internal urethral sphincter must open 3)The external urethral sphincter must open
What nerves supply the innervation of the bladder and the internal sphincter?
The bladder is innervated by the parasympathetic fibers of the pelvic splanchnic nerves (S2-S4) which stimulate contraction of the detrusor muscle. The internal urethral sphincter is innervated by sympathetic fibers from the hypogastric nerve, which cause it to contract and prevent urine leakage.
What five muscles of the pelvic outlet do males and females have in common?
bulbospongiosus, external urethral sphincter, extrernal anal sphincter, Gluteus maximus, iliococcygeus
What is the muscle that controls the urethra?
The muscle called the urethral sphincter muscle is what constricts in the urethra. The urethral orifice is what is actually constricted by the urethral sphincter.
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.
