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This muscular tube is the connection between the bladder and the external environment and plays a vital role in concious urinary continence.   
 
This muscular tube is the connection between the bladder and the external environment and plays a vital role in concious urinary continence.   
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==The Layers of the Urethra==
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The layers of the walls of the urethra are largely similar to those of the [[Urinary Bladder - Anatomy & Physiology#Anatomy|urinary bladder]] apart from one significant difference; in both the male and the female the urethral submucosa has a network of veins which may contribute to continence by forming a kind of erectile tissue.
    
==Female==
 
==Female==
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