508 



MEDULLA OBLONGATA. 



Fig. 357. 



Cla '"^~J_Ji 



/J AA« 



Pig. 357. — Magnified Diagrammatic Views of Transverse Sections op the Medulla 

 Oblongata (B & D from Lockhart Clarke, A, C, E after Lockliart Clarke and 

 Eeichert. F, from Stilling). 



In all, tlie grey substance is indicated by darker shading. 



The sections represented are, A at the lower part of the decussation of the pyramids ; 

 B, through the middle of the decussation ; C, through the lowest part of the olivary 

 bodies ; D, just below, and E, just above, the point of the calamus scriptorius ; F, a 

 little higher, through the lower part of the fourth ventricle. 



