70
CHAPTER 7
The venous return from the spinal cord takes place through veins accompanying
the anterior and posterior roots which drain into the spino-vertebral venous plexus, which
at thoracic and lumbar level empties into the azygos vein and has, therefore, connections
with the venous system of lungs and the abdominal and pelvic cavities.
minute arteries
small arteries
medium arterie
large arteries
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C
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S
(d)
FIG. 28
