274 



ANATOMICAL TECHNOLOGY. 



§ 709. Posture and Preparation. — Place the cat dorsicumbent ; 

 fasten the arms and legs laterad with cords tied to the loops on the 

 edges of the tray (Fig. 76). Take the precautions for cleanliness 

 (§ 199). When the examination is made in warm weather or is to 

 extend over several days, the arteries should l)e injected with alco- 

 hol as directed in § 284. If the vascular system itself is to be 



Fig. 76. — Lines of Incision fob Exposing the Thoracic and Abdominai 



Viscera ; x .35. 



studied in the same individual, both arteries and veins should be 

 injected with plaster (§§ 352, 362). 



If the thorax is not to be studied, open it (§ 825), cut the praecava to allow the blood to 

 escape, and inject oaudad through the postcava and the aorta thoracica. If the vessels are 

 to be studied on a separate specimen, the injection may be omitted. 



Keep all exposed parts moist with the 15 per cent, glycerin (§ 171). 



