ENTEEOTOMY. 



381 



Fig. 369.— Trocars for tho Coeoum. 



Fig. 370.— Brogniez'B Enterotome. 



transverse processes of the lumbar vertebrae, on the right flank — 

 since it is there that the dilatation of the intestines is most prom- 

 inent. The puncture, if made at this stated point, penetrates the 

 second portion of the large colon ; if it is made nearer the lumbar 

 vertebrae, it enters the arch of the ccecum. 



The only instrument necessary to perform enterotomy is a 

 trocar. The instrument used in cattle for puncture of the rumen 



