(34§) 



Lateral 



Medial 



m.Fb. 



olFtr 



Fig. 205. Diagrams of the structure and probable cell connexions in, A, the olfactory bulb, 

 and b, the cerebral hemisphere of the frog. 



glom. glomerulus in which fibres of olfactory nerve make contact with dendrites of mitral cells ; 

 gran, granule cell (cell without any axon); l.f.b. lateral forebrain bundle; m.f.b. medial forebrain 

 bundle; wit. mitral cell; olf.n. fibres of olfactory nerve; olf.tr. olfactory tracts; p.c. periglomerular 

 cell. The electrodes are shown as they would be placed for recording the potentials shown in Fig. 



206. (From Gerard and Young.) 



