'////; N/'/.V.l/, iJl'li'A MATI'.ll 



883 



in the thoracic. (-1) In (lie space between I lie dura and the walls of the vertebral 

 canal it /inliinil rnrili/t lies the rich internal vertebral venous plexus, and aloiiir I he 

 lateral aspect the dura is occasionally connected with the periosteum through I he 

 tissue of the walls of the vessels of this ple\u>. especially in case of the \e,~.-els which 



;. i ;.V). SIIOWINC; THI: Si-ixu. ]>ti;\ MAIKK K\i'usi:i> in m'tn. ( 1 inrsal aspect.) (After 

 loldt. "Atlas of Human Anatomy," Ucbman, London and New York.) 



FORAMEN MAOKUM 



. 



TRANS/ERSE PROCESS OF ATLAS 



CERI-H'M. KKKVI-: I 



FIRSr RIB 



TIIOHM 1C .V/.7.TA- / 



.S7V.V.I/. HI 'in MATER' 



EPIOUBAL CAVITY 



ni.\ri\r t n\- in- in i:.\ MATER. 

 i i'n.\ ////; .v/-;/; i /; 



AXTKHIni: /.M.V/> | 



os'i i-:i:nn: /:.i.i/r,\l 



.v.i/. XKHVI-: 



Posterior coatotransverae ligament . 



COSTAL //.-"'7xv (*/ LUMBAR- 



i.r.vn.ti: M:I:\ i: i 



SACRUM (DORSAL SURFACE) , 

 Anterior sacral foramina . 



i-ii. CM in- nn:.\ v.i //./. 



SACRAL CANAL 



. \ n'i: it. M:I:\'I-: i 



i: i i/rs in- x.n /:.i/. 



n,. \ri\r.i Ti<>\ nr >// v i / in i: i 

 vi rn: i /-'<v /v//: /.</<//> OP 



Illl > I'V.'.I/, M R 



\i:in-K 



