532 Diseases of Joints. 



convexity forwards, and the ribs in consequence have beea 

 canted upwards. The pelvis shows the usual kyphotic changes, 

 i.e. a tilting backwards of the upper end of the sacrum and 

 a tiltincf forwards of its lower end. B. C. i. 3. M. 68. 



7. 250. Tubercular Disease cured by Anchylosis.— Plaster 



of Paris cast from the body from which the foregoing specimen 

 was taken — illustrating the shape of the trunk in such cases. 



B. C. I. 3. M. 69. 



7. 251. Tubercular Disease cured by Anchylosis.— Two 



macerated lumbar vertebrae partially absorbed and anchylosed, 

 from previous tubercular disease. W. C. H. 75. 



7. 252. Tubercular Disease cured by Anchylosis.— Section 



of the bodies of six lower dorsal vertebras — macerated, illustrat- 

 ing the above. 



There is firm osseous anchylosis of the bodies of the 

 eighth, ninth, and tenth, and of the laminae of the seventh, 

 eighth, ninth, and tenth, vertebrae. The remains of inter- 

 vertebral discs can still be seen within the more or less perfectly 

 formed cancellous tissue, forming the fused mass. This 

 specimen shows " how perfectly the canal for the spinal marrow 

 may retain its form, although the bodies of the vertebrae have 

 been destroyed, and anchylosis has taken place." 



B. C. I.' 3. M. 62. 



7. 253. Tubercular Disease cured by Anchylosis.— Ptight 



half of the last cervical and first eleven dorsal vertebrae, with 

 the articular ends of the corresponding ribs — macerated. 



The preparation shows complete anchylosis of the last 



