| http://www.w3.org/ns/prov#value | - This mechanical blocking action is believed to occur because of (I) obstruction of the urethra by pressure thereagainst especially at the part thereof which merges with the opening into the bladder, (2) vesical-urethra kinking with the outer extremity of element 16 producing a forward and upward thrust against the base of the bladder, and (3) simple support for the bladder which is especially usef
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