CHAPTER IV 



WORK PRELIMINARY TO DISSECTION 



The student should be given his injected rabbit at this time 

 so that he can follow outlines A and B. He should locate the 

 place where the preparator incised the skin in order to insert 

 the canula into a large artery for the purposes of injecting 

 embalming fluid and the colored mass which distends and colors 

 the arteries (usually red, sometimes yellow) so that these 

 vessels may be easily followed. 



A. EXTERNAL CHARACTERS 



Note the general appearance, form, and proportion of the 

 rabbit, the character of its fur, vibrissae (^'whiskers"), incisors 

 (front teeth), mouth, eyes, two Hds, and conjunctival fold 

 (third eyehd), external ears, external auditory meatus, hands 

 (fore feet), feet (how many fingers? toes?), mammary glands, 

 nipples, vagina, or scrotum and penis, caudal appendage, anus 

 and any other normal or anomalous external structures. 



B. GENERAL DESCRIPTION OF THE BODY 



Locate as accurately as possible the axilla (arm pit), ole- 

 cranal process (elbow point, formed by proximal end of ulna 

 (Fig. 13), volar or caudal surface of hand (palm), radial side 

 of hand (side on which the poUex and radius are), ulnar side of 

 hand (side on which the Httle finger and ulna are), cranial 

 or dorsal side of hand (back side, opposite of volar) , the poplit- 

 eus or popliteal space (concave region behind knee), plantar 

 or caudal surface of foot (sole); external, lateral, or peroneal 

 side of foot (side on which the little toe and fibula are) , medial 



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