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MICTURITION REFLEX & CONTROL, Action, Urinary Bladder, Ureters -…
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Urinary Bladder
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Innervation
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Types of Nerves
Parasympathetic (PELVIC NERVES [S2, S3, S4])
Somatic (PUDENDAL NERVES [S2, S3, S4])
Sympathetic (HYPOGASTRIC NERVES [L1, L2, L3] INFERIOR MESENTERIC GANGLION)
Sensory (HYPOGASTRIC , PELVIC & PUDENDAL NERVES)
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Transport of Urine from The Kidney through The Ureters and into the Bladder [Kidney => Ureter => Bladder]
Ureters
Vesicoureteral Reflux (Urine Reflux) - Due to Distance of ureter through bladder is less than normal
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Pain sensation in the ureters (e.g. ureter blocked by a ureteral stone) & Ureterorenal Reflex (Pain impulse => Sympathetic reflex => Constrict renal arterioles => Decreasing urine output)