THE ABDOMEN 



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3. Muscular to psoas magnus, from second and third lumbar. 



4. Two or three white rami communicantes, to the lumbar 

 sympathetic gangliated cord, from the upper two or three lumbar. 



5. Ilio-hypogastric and inguinal, from first lumbar. 



6. Genito-f emoral, from first and ventral division of second lumbar. 



7. External cutaneous, from dorsal divisions of second and third 

 lumbar . 



8. Anterior femoral, from dorsal divisions of second, third, and 

 fourth limibar. 



g. Obturator, from ventral divisions of second, third, and fourth 

 lumbar. 



10. Accessory obturator (when present), from third and fourth 

 lumbar, between the roots of the anterior cnual and main obturator. 



Lurabo-sacral Cord 



Fig. 330. — Diagram of the Right Lumbar Plexus. 



The illo-hypogastrie nerve, having pierced the outer border of 

 the psoas magnus near its upper part, passes outwards and down- 

 wards over the quadratus lumborum, lying below the subcostal 

 nerve and behind the kidney. It then pierces the posterior part 

 of the transversalis abdominis a little above the iliac crest, and 

 furnishes its iliac or lateral cutaneous branch, which, perforating 



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