NEUROLOGY 



86 



Dorsal digital nerves 

 Volar ramus of hand 



Superficial ramus 



Common volar digital nerves 



Proper volar digital nerves (O. T 



collateral palmar digital) 

 Deep ramus 



Muscular rami 



Radial nerve (0. T. musculospiral) 



Posterior cutaneous nerve of upper 

 arm (O. T. upper external cuta- 

 neous branch of musculospiral) 



Muscular rami 



Dorsal cutaneous nerve of forearm 

 (O. T. lower external cutaneous 

 branch of musculospiral) 



Deep ramus 



Dorsal interosseous nerve of forearm 

 (O. T. posterior interosseous) 



Superficial ramus (O. T. radial branch 



of musculospiral) 

 Ramus anastomosing with ulnar 



nerve 

 Dorsal digital nerves 



Thoracic nerves 



Posterior rami 



Lateral cutaneous ramus 

 Medial cutaneous ramus 

 Anterior rami [intercostal nerves] 

 Muscular rami 

 Lateral cutaneous ramus (of breast 



and abdomen) 

 Posterior ramus 

 Anterior ramus 

 Lateral mammary rami 

 Intercostobrachial nerves (O. T. in- 



tercosto-humeral nerves) 

 Anterior cutaneous ramus (of breast 



and abdomen) 

 Medial mammary rami 



Lumbar, sacral, and coccygeal 



nerves 



Lumbar nerves 

 Posterior rami 

 Medial ramus 

 Lateral ramus 



Superior clunial nerves 

 Anterior rami 



Sacral and coccygeal nerves 

 Posterior rami 

 Medial ramus 

 Lateral ramus 



Middle clunial. nerves 



Lumbosacral plexus 

 Lumbar plexus 



Muscular rami 



Iliohypogastric nerve 



Muscular rami 



Lateral cutaneous ramus (O. T. iliac 

 branch of hypogastric) 



Anterior cutaneous ramus (O. T. hy- 

 pogastric branch) 



Ilio-inguinal nerve 



Muscular rami 

 Anterior scrotal nerves 

 Anterior labial nerves 



Genitofemoral nerve (0. T. genito- 

 crural nerve) 



Lumbo-inguinal nerve (O. T. crural 

 branch of genitocrural) 



External spermatic nerve (O. T. geni- 

 tal branch of genitocrural) 



Lateral cutaneous nerve of thigh 

 (0. T. external cutaneous) 



Obturator nerve 



Anterior ramus 



Cutaneous ramus 

 Posterior ramus 



