HISTOLOGY
URINARY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The ring of smooth muscle, therefore under control of the autonomic nervous system, that controls the exit of the urinary bladder to the erethra.
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detrusor
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internal urethral sphincter
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external urethral sphincter
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trigone
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Explanation:
Detailed explanation-1: -The internal urethral sphincter regulates involuntary control of urine flow from the bladder to the urethra, and the external urethral sphincter provides voluntary control of urine flow from the bladder to the urethra.
Detailed explanation-2: -The smooth muscle fibers are interwoven in all directions and, collectively, these are called the detrusor muscle. Contraction of this muscle expels urine from the bladder. On the superior surface, the outer layer of the bladder wall is parietal peritoneum.
Detailed explanation-3: -The innervation of the urethral sphincter is from both the somatic and the autonomic nervous systems.
There is 1 question to complete.