[Routes of blood flow away from human spinal ganglia].
Blood outflow from the spinal ganglia is accomplished along the deferent veins of the lateral part of the ganglia into the intravertebral veins (for most of cervical ganglia--into the veins surrounding the spinal cord artery), from the medial part of the ganglia--along the deferent veins into the longitudinal veins of the interal spinal plexus. Analysing total cross section area of the deferent veins of the spinal ganglia, we were able to reveal a gradual increases in cross section area from the cervical towards the lumbar veins, and a decrease towards the sacral veins. A ratio of total cross section area of the deferent veins to the volume unit of the ganglia substance characterizes capacitance density of the deferent venous bed of the spinal ganglia and is 0.01--0.014 mm2 per 1 mm3.
D000328:Adult; D000368:Aged; D005727:Ganglia, Spinal / Q000098:blood supply*; D006801:Humans; D008875:Middle Aged; D014680:Veins
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