THE BACK. 
1197 
TABLE INDICATING THE LEVEL OF THE MORE IMPORTANT STRUCTURES IN 
RELATION TO THE SPINES OF THE VERTEBRA 
Continued. 
| Spines 0 of Vertebre. 2.| Origins of Spinal Nerves. 
eee Dorsal : 4 Dorsal 
2 
See Sy ehoral (6) 
” 
” : . ’ =A 
a Pe ; | 10 
ae ieea.| 1 
” 
3 and 4 ts 
1 Lumbar AganGeey a bias 
= ” 
2 
co) aA J Bills 
12 Dorsal and 1 Lumbar 
Lumbar fi ertebral angle of spleen (apex of spleen). 
LZaon™ s. 3 a 1! 2,3 Sacral © [Paper flexure of colon. 
ila 
| Mey beer end of gluteal cleft. 
; A 
Bronehi. 
| Orifice of inferior vena cava. 
\ Lowest part of head of pancreas. 
J Bifureation of aorta. 
iy Tleo-czeeal valve. 
Level of other Structures. 
Upper angle of scapula. 
| Just “Thana level of highe st part of arch of | 
aorta. 
Episternal notch. 
Root of spine of scapula. 
Arch of vena azygos major. 
Highest part of lower lobes of lungs. 
Termination of transverse portion of arch 
of aorta. 
sifurcation of trachea. 
Lower limit of superior mediastinum. 
Angulus Ludovici. | 
‘Commencement of descending thoracic 
| aorta. 
- Upper limit of heart. | 
{Centre of root of lung. 
\ Mitral orifice. 
Tricuspid orifice. | 
( Lower angle of scapula. 
Right arch of diaphragm. | 
‘Lowest limit of heart. 
J Left arch of diaphragm. 
|) Fundus of stomach. 
~Niphi-sternal articulation. 
J Upper limit of spleen. 
\ Cardiac orifice of stomach. 
Upper end of lumbar enlargement. 
Lower border of lung, poste riorly. 
Upper end of left kidney. 
Lesser curvature of stomach. 
Lower limit of pleura at vertebral column. 
Upper end of mght kidney. 
; Suprarenal capsule. 
Body of pancreas. 
Lesser curvature of stomach. 
Level at which pleura crosses twelfth rib. 
Lower end of spleen. 
Upper part of head of pancreas. 
Pylorus and pyloric portion of stomach. 
Conus medullaris. 
Lower limit of pleura (mid-axillary line). 
Hili of kidneys. 
Head of pancreas. 
~ Hepatic flexure of colon. 
Portal vein. 
Second part of duodenum. | 
Greater curvature of stomach. 
Common. bile duct. 
fj Commencement of ureters. 
\f Lower limit of cord in child. 
Lower ends of kidneys. 
Third part of duodenum. 
( Soe part of crest of ilium. 
Unmbilicus. 
-Common iliae arteries. 
Sacral promontory. 
Lower end of subdural space. 
Lower limit of sub-arachnoid and sub- 
dural spaces. 
