0
outer anal sphincter
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
Which is the voluntary sphincter of the anal canal?
Assholicus Maximus & Buttockical Minimus
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!
Is the external urethral sphincter under voluntary control?
yes
What voluntary muscle delays urination?
external urethral sphincter
Why does the anal canal have a voluntary sphincter formed by smooth muscle?
You can imagine the situation, in which case the anal sphincter in involuntary. In that case you defecate with out your knowledge.
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.
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.
Control of the voluntary urethral sphincter in normal children is related to?
nervous system development
Is the bladder a voluntary muscle?
The majority of the bladder is made of detrusor muscle. This muscle is told by the nervous system to contract when it expands. This is what causes the feeling of needing to urinate. In order to urinate the involuntary muscle the internal sphincter, and the voluntary muscle the external sphincter must both be opened. The detrusor muscle moves involuntarily, so the bladder would probably considered an involuntary muscle.
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).
Sphincter found between the esophagus and the stomach?
What is the function of the cardiac sphincter?
What is another name for the esophageal sphincter?
cricopharyngeal sphincter
