1316 



HUMAN ANATOMY. 



Supraacromial 

 branches ot cer- 

 Pectoralis minor muscle vical plexus 



Pectoralis major muscle 

 Lesser internal 

 cutaneous 

 nerve 



FIG. 1105. 



Descending branch of 



superficial^ colli 



Suprasternal and supra- 

 clavicular branches of 

 cervical plexus 



Lateral cutaneous 



branches of III.. 



IV., V. and VI. 



thoracic 



nerves 



Anterior 

 cutaneous brs. 

 ., III. ,1V., 

 V. and VI. tho- 

 racic nerves 



VII., VIII., IX. and 



X. thoracic. 



nerves 



Lateral cutaneous branch of. 

 XI. thoracic nerve 

 XI. thoracic nerve- 

 XII. thoracic nerve- 

 Lateral cutaneous branch of 

 XII. thoracic nerve 



External oblique muscle 



cut and everted 



Internal oblique muscle, cut 



Ilio-hypogastric nerv 



Transversalis muscle 



Lateral cutaneous branch of 

 XII. thoracic nerve 



c JL 



gastric nerVe } iliac {J{J 



Internal oblique musrl< 

 Ilio-inguinal nerve 



Poupart's ligament - 



Anterior brs. 

 of IX. thoracic 

 nerve, the 

 lowest one be. 

 longing to 

 the'X. 



Umbilicus 



Rectusabdom- 

 inis, cut 

 Anterior 

 branch of X. 

 thoracic nerve 



Anterior 

 branch of _ 

 XI. thoracic 



Anterior 

 branch of XII. 

 thoracic nerve 



Hypogastric 

 portion of ilio 



hyiH>i;astric 



nerve 



Aponenrosis 

 of external 



mus- 

 cle, cut edge 



Ilio-inguinal nerve 

 Dissection showing thoracic, ilio-hypogastric and ilio-inguinal nerves. 



equivalent of a lateral cutaneous ttninch. In addition to the lateral cutaneous, the 

 anterior cutaneous branch may also be wanting, the area typically supplied by 

 the absent branch lu-in^ served by the descending branches of the cervical pk.xus. 



