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CHEMICAL SENSES 



Figure 9 Synaptic connections in the olfactory 

 bulb: mitral cell (m), granule cell (g), and fila ol- 

 factoria (A). From Andres (1970). 



In contrast with those of mammals, each mitral cell usually is connected 

 with several glomeruli (Figure 10). In turn, granule cells make contact with 

 mitral or tufted cells through synapses of various types, depending on 

 whether they are axodendritic, axosomatic, dendroaxonic or somatoaxonic. 

 The latter two are of the so-called reciprocal type, found on the dendrites 

 and somata of the mitral cells of fish. These synapses are part of a most 



