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INTRODUCTION TO NEUROLOGY 



11. End-organs of Joint Sensibility. Nerve-endings found in the 

 joints and the surrounding tissues are stimulated by bending the joint, and 



Fig. 32. Diagram of the relations of a fiber of the vestibular branch 

 of the auditory nerve and its mode of termination in the semicircular 

 canal: co, The central nervous system; fz, non-nervous supporting cell of 

 the semicircular canal; hz, hair cell, one of the receptor cells of the sensory 

 surface; sn, axon of the vestibular neuron; sz, cell body of the vestibular 

 neuron. (After Retzius, from Barker's Nervous System.) 



report back to the central nervous system the degree of flexion of the joint. 

 The chief end-organs are probably Pacinian corpuscles (see Fig. 22). 



