TIII-: r.u/r.s XKRVE 



083 



arch it passes behind the left bronchus and divides into brunches uhich unite with 

 t\vi.<;s of the sympathetic to form the left posterior pulmonary plexus. From this 

 plexus the fibres of the left vaults issue as cine or more cord> that break up into 

 anastomosing branches to form t he anterior cesophageal plexus. At the lower part 



FlQ. Tdli. I>I\C;I:\M OF TIIK HH\MIII> m im Vs<,i- .\ , 



.\rnii-ri.Aii HHAXI-II 



SPU \i i" / *.-< i I:Y 



\ / /. i / 



IIYI'Oltl.lif-SM. .V //:! /' 

 /;/. MIV / A ///;>/ 



.\l i:\ ES 

 OF TRl'XK 



.i:\ / 



litt, run! i 



QUOS OF ROOT 



liztfrital carutid artery 



xi ri 1:101; 

 I.EI--T VAGI'S 



CERVICAL CARDIAC BRAKCH 



RK<-n;i:i-:xTXi-:i:\T. 



I. \FKSI OR CERVICAL CARDIAC BRAKCh 



TIIORA (-'I ( ' i '. I It It 1 . 1 1 ' It /;. I .\i 11 

 (i;n,n r 



C.I Kill AC ISRAXriI FROM RECVRREXT 

 KXRVt 



ANTERIOR ITLMOXARY 77,/:.vr.s 

 POSTERIOR PULMONARY J>l.i:.\l .> 



-.A... 8PLBKK PLEATS 



LKI-'T 



BRAM'IIK." 



" srum 



BRAXCHES 



COSLIACPLBjn 



of the thorax this plexus becomes a single trunk, which passes through the 



diaphrairm on the iniliriar surface of the u'sophairus, and it is distributed to the aiiti- 

 rior surface of the stomach and to the liver. 



The Jugular Ganglion (Ganglion of the Root) is a spherical grey mass about five 



