SENSORY NERVE-ENDINGS. 



177 



others. One or several (three or four) large medullated nerves, sur- 

 rounded by a sheath of Henle, terminate in each neuromuscular end- 



Fig. 145. Neuromuscular nerve end-organ from the intrinsic plantar muscles of 

 dog ; from teased preparation of tissue stained in methylene-blue. The figure shows the 

 intrafusal muscle-fibers, the nerve-fibers and their terminations ; the capsule and the sheath 

 of Henle are not shown (Huber and DeWitt, "Jour. Comp. Neurol.," vol. vn). 



organ. As these nerves enter the capsule, the sheath of Henle 

 blends with the capsule. The medullated nerve-fibers now and 



