1348 



HUMAN ANATOMY. 



the n. perforans coccygeus major, which arises from the third antl fourth or fourth and 

 fifth sacral and pierces the coccygeus muscle. 



Fig. 1 125. 



From obturator nerve 

 From internal cutaneous 



Internal saphenous nerve 



From small sciatic nerve 



— Small sciatic nerve 



— Sural from peroneal nerve 

 Peroneal communicating 



Part of sural branch 



M— Tibial communicating 



External saphenous nerve 



Inner malleolus - 



External calcanean branches 



2X1 - 



Kxt. branch of musculo-cutaneous 



"Anterior branch of ext. saphenous 



Cutaneous nerves of posterior surface of right leg, 



4. The Small Sciatic Nerve. 



The small sciatic nerve (n. cutancus femoris posterior) (Fig. 11 14) is a purely 

 sensory structure. It originates from the back of the tirst, second and third, or 



