1348 



HUMAN ANATOMY. 



the n. perforate coccygens major, which arises from the third and fourth or fourth and 

 fifth sacral and pierces the coccygeus muscle. 



FIG. 1125. 



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 



Tibial communicating 



External saphenous nerve 



Inner malleolus 



External calcanean branches 



Ext. branch of musculo-cutaneous 



Anterior branch of ext. saphenous 



Cutaneous nerves of posterior surface of right leg. 



4. THK SMALL SCIATIC NERVI.. 



The small sciatic nerve (n. cutancus femoris posterior) (Fijj. 1114) is a purely 



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



