A stone impacted in urethra. May have formed proximally and gotten stuck there or may have formed in urethra; uncommon. ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
a urinary calculus in the urethra; symptoms vary according to the person's sex and where the stone is lodged. Found on http://www.encyclo.co.uk/local/21001