20 



DISSECTION OF THE DOG 



Intestinum cecum. — The caecum is a short spiral or bent tube, the free 

 blind (Mid of which points towards the pelvis. There is considerable variation 



CoMa L2 

 / 

 i 

 m. longissimus dorsi i 



m. ilio-costalis 



rajma 



m. latissimus dorsi. 



audalis 



m. obliquui * 

 abdominis extcrnus 



m. rectus abdominis 



1'ic. .">.- I ransveree section of the abdomen, on a level with the eleventh thoracic vertebra. 

 7, 8, 9, 10, 11 = seventh, eighth, ninth, tenth, and eleventh ribs. 



in the length of this part of the intestine, and also in its form. It lies to the 

 right of the median plane in the umbilical region. 



Colon. — The colon is divided into three parts : (1) The ascending colon 

 (colon ascendens) leaves the caecum and runs cranialwards to the right of the 

 median plane for a short distance and then turns to the left, thus forming the 



