Development of the spinal nerves of the larval lamprey: IV. Spinal nerve roots of 21-mm larval and adult lampreys, with special reference to the relation of meninges with the root sheath and the perineurium.

@article{Nakao1987DevelopmentOT,
  title={Development of the spinal nerves of the larval lamprey: IV. Spinal nerve roots of 21-mm larval and adult lampreys, with special reference to the relation of meninges with the root sheath and the perineurium.},
  author={Taisuke Nakao and Akimitsu Ishizawa},
  journal={The Journal of comparative neurology},
  year={1987},
  volume={256 3},
  pages={386-99}
}
Spinal nerve roots of 21-mm larval and adult lampreys were electron microscopically studied. In 21-mm larval lampreys, each ventral and dorsal rootlet contains axons of various diameters enclosed together as groups in individual troughs of a Schwann cell cytoplasm, lying in direct contact with one another, and is further ensheathed entirely by a basal lamina. Dorsal roots possess visceral axons, while ventral roots lack them. In adult lampreys the ventral and dorsal roots possess individual… CONTINUE READING
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