370 



TllK ANATU.MY 01' TUK llolisr: 



PECULIARITIES OF THE DORSAL VERTEBRiE 



Tin: iiit^T DuKSAi, \ KLM KiiHA (Hlli'is froui the others in iijunuachiug to the 

 form of the cervical, as manifested in the shortness of the spinous process, 

 which terminates in a point, and by the large size of its obliijue processes. 

 The second and third gradually assume the dorsal type. 



The seventeenth and eighteenth vertehric are devoid of the articulatory sur 



FiQ. 17. — Dorsal Vertebka!. 



A. Profile view of a dorsal vertebra .seen from the 



left. 

 1. Siiinous process. 

 •J. Cody. 



3. Convexity 0!i body. 



4. 4. Surfaces for the arliculation of the rib 



tubercle. 



5. Posterior obliquo jirocess. 



0. Siirfoce for articiiLition of the head of tliu 



rib. 

 7. Concavity on body. 



B. Fore view of a dorsal vertebra. 



1. Spinous process. 



2. Convexitv on bo<ly. 



3. 3. Transverse iirocesscs 



4. 4. Anterior oblique pi-oceases. 



5. 5. Surfaces for the articulation of the 



head of tlie rib. 



0. Sjiinal liole. 



Back view of a dorsal vertebra. 



1. Spinous process. 



2. Concavity on bod.v. 



3. 3. Transverse processes. 

 5. 5. Back obli(ine processes. 



0. 0. Surfaces for the articulation of the 



head of the rib. 

 7. Spinal liole. 



faces on their transverse processes ; the eighteenth also is without the 

 articular surfaces on the posterior and external faces of its body, there being 

 no ribs here to articulate with it. 



The spinous processes, as far back as the twelfth, take a direction upwards 

 and backwards ; the thirteenth takes a direction upwards, and those poste- 

 rior to it take a direction upwards and forwards. The third, fourth, and 

 fifth spinous processes are the longest, and afterwards they gradually 

 (liiniiii^li in Iciiulh. 



