94 VETERINARY PHYSIOLOGY 



that bifurcating fibres pass from the ganglion, one limb 

 o-oino- to the skin, one limb to the blood-vessels, and that 

 thus a reflex occurs in one axon without passing through a 

 synapse (fig. 42). It is, however, not proved that synapses 

 do not exist in the ganglion on the posterior root. 



