Elements of pathological anatomy . an, occupying occasionally alarge extent of surface. In some cases, the deposition is affected at severalpoints, though this is unusual. Organic stricture of the urethra (Fig. 213) is the result of inflammatory ac-tion, causing an effusion of lymph into the submucous cellular tissue andupon the free surface of the lining membrane. After some time, varying 748 PENIS. from a few days to several weeks, the effused fluid becomes organized, andthus forms a permanent obstruction, in front of which the passage is gener-ally contracted, whilst behind it is dilated. T
Elements of pathological anatomy . an, occupying occasionally alarge extent of surface. In some cases, the deposition is affected at severalpoints, though this is unusual. Organic stricture of the urethra (Fig. 213) is the result of inflammatory ac-tion, causing an effusion of lymph into the submucous cellular tissue andupon the free surface of the lining membrane. After some time, varying 748 PENIS. from a few days to several weeks, the effused fluid becomes organized, andthus forms a permanent obstruction, in front of which the passage is gener-ally contracted, whilst behind it is dilated. The urethra is sometimes narrowedby a circular ring, not thicker than a thread, but more commonly the strictureoccupies a considerable extent of surface, from a line or two to an inch ormore. (Fig. 214.) Nor does it always surround the whole tube ; in manycases, perhaps in most, it forms merely a segment of a circle. The bridlestricture (Fig. 215), as it is called, consists of a dense band of organized Fig. 213. Fie. 214. Fig. o a, corpus spongiosum ;b e, urethra ; d, stricture ;e, indurated ring beneaththe mucous membrane.
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