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CNS control over the lower urinary tract coordinates the micturition cycle. Normal development is characterized by increasing awareness of bladder distension and acquisition of the ability to inhibit voiding.
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emedicine.medscape.com/article/1016198-overview
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The normal micturition cycle requires that the urinary bladder and the urethral sphincter work together as a coordinated unit to store and empty urine.
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emedicine.medscape.com/article/453539-overview
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The animal model was then used to investigate the changes in blood flow in the urinary bladder which occur during the micturition cycle. MATERIALS AND METHODS: Seven large white female pigs were subjected to chronically implanted vascular access and urodynamic catheters as well as an intramural vesical laser Doppler probe.
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www.medscape.com/medline/abstract/8863632
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The normal micturition cycle provides for storage and emptying phases (Figure 5). During the storage phase, the bladder fills without pressure increase and the urethral sphincter and pelvic floor contract. A first sensation to void occurs at about 150 cc of filling.
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cme.medscape.com/viewarticle/456233_2
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/; INTRODUCTION; The micturition cycle occurs in two phases. It consists of a filling phase and an emptying phase. Each phase requires a coordinated interaction between the bladder and the nervous system.
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The micturition cycle begins with an empty bladder. As the bladder fills, the proprioceptive nerve endings in the detrusor muscle send sensation of filling (stretch) through the reflex loop to the ascending/sensory pathway of the spinal cord.
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www.life-tech.com/uro/urolib/neurosensory_regulation.sh...
www.life-tech.com/uro/urolib/neurosensory_regulation.shtml
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[The 4-stage continence-micturition cycle. The presentation of a urodynamic, diagnostic and therapeutic abacus] ... [The 4-stage continence-micturition cycle. The presentation of a urodynamic, diagnostic an...[The 4-stage continence-micturition cycle. The presentation of a urodynamic, diagnostic and therapeutic abacus]
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www.ncbi.nlm.nih.gov/pubmed/2291647
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These results indicate that enkephalinergic neurons are involved in the central neural circuitry of the micturition cycle in the cat, with an inhibitory effect at the level of either the ascending spinal pathways or the pontine Barrington 's center...
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www.ncbi.nlm.nih.gov/pubmed/6547198
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Bladder was perfused (NaCl 0.9%, 0.6 mL/h) until inducing a micturition cycle, then the bladder was manually emptied to measure residual volume. A series of three control micturition cycles (considered as basal values) were obtained.
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www.urotoday.com/428/conference_reports/ics_2007_abstra...
www.urotoday.com/428/conference_reports/ics_2007_abstracts__pharmacology_basic_science/ics_2007_abst261__functional_importance_of_cholinergic_and_purinergic_neurotransmissions_for_micturition_reflex_in_anesthetized_mice.html
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