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 be injected with alco- 

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



Fig. 76.— Lines of Incision for Exposino the Thoracic and Abdominal 



Viscera; x.25. 



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 (§ 82.5), cut the prsecava to allow the blood to 

 escape, and inject caudad 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 moiat with the 15 per cent, glycerin (§ 171). 



