During micturition,which of the following occurs?
- ARelaxation of the urinary bladder
- BContraction of the ureter
- CContraction of the urethra
- DRelaxation of the urethral sphincter
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Micturition is
Medium
View SolutionWhat is meant by micturition?
Easy
View SolutionThe outline of the principal events of urination is given below in an unordered manner:
$I.$ Stretch receptors on the wall of the urinary bladder send signals to the $CNS$.
$II.$ The bladder fills with urine and becomes distended.
$III.$ Micturition.
$IV.$ $CNS$ passes on motor messages to initiate the contraction of the smooth muscles of the bladder and simultaneous relaxation of the urethral sphincter.
The correct order of steps for urination is:
$I.$ Stretch receptors on the wall of the urinary bladder send signals to the $CNS$.
$II.$ The bladder fills with urine and becomes distended.
$III.$ Micturition.
$IV.$ $CNS$ passes on motor messages to initiate the contraction of the smooth muscles of the bladder and simultaneous relaxation of the urethral sphincter.
The correct order of steps for urination is:
Medium
View SolutionExplain micturition.
Difficult
View SolutionWhat will happen if the stretch receptors of the urinary bladder wall are totally removed?
DifficultAIPMT 2009
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