THE LUMBAR REGION. 195 



versalis fascia. The kidney may be mistaken for the 

 contents of the bowel. 



Lumbar Fascia. The peculiar arrangement of the 

 fasciae in the lumbar region is of great importance sur- 

 gically, from the control it has over the course taken by 

 the pus in lumbar abscess. This fascia is the posterior 

 aponeurotic portion of the transversalis, and posteriorly 

 gives attachment to the internal and external oblique 



..3 



Arrangement of lumbar aponeurosis at level of third lumbar vertebra. 1. 

 Sacro-lumbalis. 2. Psoas magnus. 3. Longissimus dorsi. 4. Quadratus lumbo- 

 rum. 5. Latissimus dorsi. 6. External oblique. 7. Internal oblique. 8. Trans- 

 versalis. 9. Rectus. 



and latissimus dorsi muscles. From its inner edge, two 

 laminae, derived from it, are attached to the transverse 

 processes of the lumbar vertebrae, and inclose the quad- 

 ratus lumborum, the posterior lamina separating it from 

 the erector spinae, whilst the posterior portion of the 



